Home / 131,024.30-196,536.45-83,785.10

Finding the Fourth Proportional to 131,024.30, 196,536.45 and 83,785.10

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Solution

The fourth proportional to 131,024.30, 196,536.45 and 83,785.10 is: 125,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,024.30 : 196,536.45 = 83,785.10 : x
  2. Step 2: Convert to fraction form
    131,024.30/196,536.45 = 83,785.10/x
  3. Step 3: Cross multiply
    131,024.30x = 196,536.45 × 83,785.10
  4. Step 4: Simplify right side
    131,024.30x = 16,466,826,116.90
  5. Step 5: Solve for x
    x = 16,466,826,116.90/131,024.30
  6. Step 6: Final answer
    x = 125,677.65

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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.