Home / 187,223.67-280,780.02-54,105.12

Finding the Fourth Proportional to 187,223.67, 280,780.02 and 54,105.12

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Solution

The fourth proportional to 187,223.67, 280,780.02 and 54,105.12 is: 81,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,223.67 : 280,780.02 = 54,105.12 : x
  2. Step 2: Convert to fraction form
    187,223.67/280,780.02 = 54,105.12/x
  3. Step 3: Cross multiply
    187,223.67x = 280,780.02 × 54,105.12
  4. Step 4: Simplify right side
    187,223.67x = 15,191,636,675.70
  5. Step 5: Solve for x
    x = 15,191,636,675.70/187,223.67
  6. Step 6: Final answer
    x = 81,141.65

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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.