Home / 107,734.78-161,602.23-51,561.68

Finding the Fourth Proportional to 107,734.78, 161,602.23 and 51,561.68

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Solution

The fourth proportional to 107,734.78, 161,602.23 and 51,561.68 is: 77,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,734.78 : 161,602.23 = 51,561.68 : x
  2. Step 2: Convert to fraction form
    107,734.78/161,602.23 = 51,561.68/x
  3. Step 3: Cross multiply
    107,734.78x = 161,602.23 × 51,561.68
  4. Step 4: Simplify right side
    107,734.78x = 8,332,482,470.55
  5. Step 5: Solve for x
    x = 8,332,482,470.55/107,734.78
  6. Step 6: Final answer
    x = 77,342.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.