Home / 187,461.42-281,192.13-82,281.30

Finding the Fourth Proportional to 187,461.42, 281,192.13 and 82,281.30

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Solution

The fourth proportional to 187,461.42, 281,192.13 and 82,281.30 is: 123,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,461.42 : 281,192.13 = 82,281.30 : x
  2. Step 2: Convert to fraction form
    187,461.42/281,192.13 = 82,281.30/x
  3. Step 3: Cross multiply
    187,461.42x = 281,192.13 × 82,281.30
  4. Step 4: Simplify right side
    187,461.42x = 23,136,854,006.17
  5. Step 5: Solve for x
    x = 23,136,854,006.17/187,461.42
  6. Step 6: Final answer
    x = 123,421.95

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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.