Home / 97,963.20-146,901.60-38,779.20

Finding the Fourth Proportional to 97,963.20, 146,901.60 and 38,779.20

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Solution

The fourth proportional to 97,963.20, 146,901.60 and 38,779.20 is: 58,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,963.20 : 146,901.60 = 38,779.20 : x
  2. Step 2: Convert to fraction form
    97,963.20/146,901.60 = 38,779.20/x
  3. Step 3: Cross multiply
    97,963.20x = 146,901.60 × 38,779.20
  4. Step 4: Simplify right side
    97,963.20x = 5,696,726,526.72
  5. Step 5: Solve for x
    x = 5,696,726,526.72/97,963.20
  6. Step 6: Final answer
    x = 58,151.70

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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.