Home / 261,788.76-361,259.01-159,984.54

Finding the Fourth Proportional to 261,788.76, 361,259.01 and 159,984.54

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Solution

The fourth proportional to 261,788.76, 361,259.01 and 159,984.54 is: 220,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,788.76 : 361,259.01 = 159,984.54 : x
  2. Step 2: Convert to fraction form
    261,788.76/361,259.01 = 159,984.54/x
  3. Step 3: Cross multiply
    261,788.76x = 361,259.01 × 159,984.54
  4. Step 4: Simplify right side
    261,788.76x = 57,795,856,535.71
  5. Step 5: Solve for x
    x = 57,795,856,535.71/261,788.76
  6. Step 6: Final answer
    x = 220,772.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.