Home / 124,909.20-187,362-31,414.32

Finding the Fourth Proportional to 124,909.20, 187,362 and 31,414.32

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Solution

The fourth proportional to 124,909.20, 187,362 and 31,414.32 is: 47,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,909.20 : 187,362 = 31,414.32 : x
  2. Step 2: Convert to fraction form
    124,909.20/187,362 = 31,414.32/x
  3. Step 3: Cross multiply
    124,909.20x = 187,362 × 31,414.32
  4. Step 4: Simplify right side
    124,909.20x = 5,885,849,823.84
  5. Step 5: Solve for x
    x = 5,885,849,823.84/124,909.20
  6. Step 6: Final answer
    x = 47,121.03

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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.