Home / 129,522.43-194,266.63-40,776.40

Finding the Fourth Proportional to 129,522.43, 194,266.63 and 40,776.40

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Solution

The fourth proportional to 129,522.43, 194,266.63 and 40,776.40 is: 61,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,522.43 : 194,266.63 = 40,776.40 : x
  2. Step 2: Convert to fraction form
    129,522.43/194,266.63 = 40,776.40/x
  3. Step 3: Cross multiply
    129,522.43x = 194,266.63 × 40,776.40
  4. Step 4: Simplify right side
    129,522.43x = 7,921,493,811.53
  5. Step 5: Solve for x
    x = 7,921,493,811.53/129,522.43
  6. Step 6: Final answer
    x = 61,159.24

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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.