Home / 187,402.36-281,195.88-87,569.45

Finding the Fourth Proportional to 187,402.36, 281,195.88 and 87,569.45

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Solution

The fourth proportional to 187,402.36, 281,195.88 and 87,569.45 is: 131,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,402.36 : 281,195.88 = 87,569.45 : x
  2. Step 2: Convert to fraction form
    187,402.36/281,195.88 = 87,569.45/x
  3. Step 3: Cross multiply
    187,402.36x = 281,195.88 × 87,569.45
  4. Step 4: Simplify right side
    187,402.36x = 24,624,168,553.87
  5. Step 5: Solve for x
    x = 24,624,168,553.87/187,402.36
  6. Step 6: Final answer
    x = 131,397.32

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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.