Home / 96,537.90-144,612.45-66,989.10

Finding the Fourth Proportional to 96,537.90, 144,612.45 and 66,989.10

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Solution

The fourth proportional to 96,537.90, 144,612.45 and 66,989.10 is: 100,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,537.90 : 144,612.45 = 66,989.10 : x
  2. Step 2: Convert to fraction form
    96,537.90/144,612.45 = 66,989.10/x
  3. Step 3: Cross multiply
    96,537.90x = 144,612.45 × 66,989.10
  4. Step 4: Simplify right side
    96,537.90x = 9,687,457,874.30
  5. Step 5: Solve for x
    x = 9,687,457,874.30/96,537.90
  6. Step 6: Final answer
    x = 100,348.75

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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.