Home / 187,814.62-281,346.36-112,894.12

Finding the Fourth Proportional to 187,814.62, 281,346.36 and 112,894.12

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Solution

The fourth proportional to 187,814.62, 281,346.36 and 112,894.12 is: 169,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,814.62 : 281,346.36 = 112,894.12 : x
  2. Step 2: Convert to fraction form
    187,814.62/281,346.36 = 112,894.12/x
  3. Step 3: Cross multiply
    187,814.62x = 281,346.36 × 112,894.12
  4. Step 4: Simplify right side
    187,814.62x = 31,762,349,727.40
  5. Step 5: Solve for x
    x = 31,762,349,727.40/187,814.62
  6. Step 6: Final answer
    x = 169,115.43

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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.