Home / 129,292.53-193,523.25-69,170.98

Finding the Fourth Proportional to 129,292.53, 193,523.25 and 69,170.98

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Solution

The fourth proportional to 129,292.53, 193,523.25 and 69,170.98 is: 103,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,292.53 : 193,523.25 = 69,170.98 : x
  2. Step 2: Convert to fraction form
    129,292.53/193,523.25 = 69,170.98/x
  3. Step 3: Cross multiply
    129,292.53x = 193,523.25 × 69,170.98
  4. Step 4: Simplify right side
    129,292.53x = 13,386,192,855.29
  5. Step 5: Solve for x
    x = 13,386,192,855.29/129,292.53
  6. Step 6: Final answer
    x = 103,534.16

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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.