Home / 141,744.24-195,607.20-78,082.08

Finding the Fourth Proportional to 141,744.24, 195,607.20 and 78,082.08

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Solution

The fourth proportional to 141,744.24, 195,607.20 and 78,082.08 is: 107,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,744.24 : 195,607.20 = 78,082.08 : x
  2. Step 2: Convert to fraction form
    141,744.24/195,607.20 = 78,082.08/x
  3. Step 3: Cross multiply
    141,744.24x = 195,607.20 × 78,082.08
  4. Step 4: Simplify right side
    141,744.24x = 15,273,417,038.98
  5. Step 5: Solve for x
    x = 15,273,417,038.98/141,744.24
  6. Step 6: Final answer
    x = 107,753.35

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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.