Home / 131,429.10-197,143.65-101,937.90

Finding the Fourth Proportional to 131,429.10, 197,143.65 and 101,937.90

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Solution

The fourth proportional to 131,429.10, 197,143.65 and 101,937.90 is: 152,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,429.10 : 197,143.65 = 101,937.90 : x
  2. Step 2: Convert to fraction form
    131,429.10/197,143.65 = 101,937.90/x
  3. Step 3: Cross multiply
    131,429.10x = 197,143.65 × 101,937.90
  4. Step 4: Simplify right side
    131,429.10x = 20,096,409,679.34
  5. Step 5: Solve for x
    x = 20,096,409,679.34/131,429.10
  6. Step 6: Final answer
    x = 152,906.85

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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.