Home / 129,246.72-193,870.14-40,507.13

Finding the Fourth Proportional to 129,246.72, 193,870.14 and 40,507.13

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Solution

The fourth proportional to 129,246.72, 193,870.14 and 40,507.13 is: 60,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,246.72 : 193,870.14 = 40,507.13 : x
  2. Step 2: Convert to fraction form
    129,246.72/193,870.14 = 40,507.13/x
  3. Step 3: Cross multiply
    129,246.72x = 193,870.14 × 40,507.13
  4. Step 4: Simplify right side
    129,246.72x = 7,853,122,964.10
  5. Step 5: Solve for x
    x = 7,853,122,964.10/129,246.72
  6. Step 6: Final answer
    x = 60,760.72

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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.