Home / 123,374.14-185,045.72-39,143.05

Finding the Fourth Proportional to 123,374.14, 185,045.72 and 39,143.05

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Solution

The fourth proportional to 123,374.14, 185,045.72 and 39,143.05 is: 58,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,374.14 : 185,045.72 = 39,143.05 : x
  2. Step 2: Convert to fraction form
    123,374.14/185,045.72 = 39,143.05/x
  3. Step 3: Cross multiply
    123,374.14x = 185,045.72 × 39,143.05
  4. Step 4: Simplify right side
    123,374.14x = 7,243,253,211.92
  5. Step 5: Solve for x
    x = 7,243,253,211.92/123,374.14
  6. Step 6: Final answer
    x = 58,709.66

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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.