Home / 113,929.57-157,267.09-101,972.14

Finding the Fourth Proportional to 113,929.57, 157,267.09 and 101,972.14

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Solution

The fourth proportional to 113,929.57, 157,267.09 and 101,972.14 is: 140,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,929.57 : 157,267.09 = 101,972.14 : x
  2. Step 2: Convert to fraction form
    113,929.57/157,267.09 = 101,972.14/x
  3. Step 3: Cross multiply
    113,929.57x = 157,267.09 × 101,972.14
  4. Step 4: Simplify right side
    113,929.57x = 16,036,862,053.69
  5. Step 5: Solve for x
    x = 16,036,862,053.69/113,929.57
  6. Step 6: Final answer
    x = 140,761.20

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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.