Home / 187,247.64-280,864.17-103,174.50

Finding the Fourth Proportional to 187,247.64, 280,864.17 and 103,174.50

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Solution

The fourth proportional to 187,247.64, 280,864.17 and 103,174.50 is: 154,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,247.64 : 280,864.17 = 103,174.50 : x
  2. Step 2: Convert to fraction form
    187,247.64/280,864.17 = 103,174.50/x
  3. Step 3: Cross multiply
    187,247.64x = 280,864.17 × 103,174.50
  4. Step 4: Simplify right side
    187,247.64x = 28,978,020,307.67
  5. Step 5: Solve for x
    x = 28,978,020,307.67/187,247.64
  6. Step 6: Final answer
    x = 154,757.73

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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.