Home / 98,009.20-146,970.60-38,825.20

Finding the Fourth Proportional to 98,009.20, 146,970.60 and 38,825.20

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Solution

The fourth proportional to 98,009.20, 146,970.60 and 38,825.20 is: 58,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,009.20 : 146,970.60 = 38,825.20 : x
  2. Step 2: Convert to fraction form
    98,009.20/146,970.60 = 38,825.20/x
  3. Step 3: Cross multiply
    98,009.20x = 146,970.60 × 38,825.20
  4. Step 4: Simplify right side
    98,009.20x = 5,706,162,939.12
  5. Step 5: Solve for x
    x = 5,706,162,939.12/98,009.20
  6. Step 6: Final answer
    x = 58,220.69

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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.