Home / 187,345.71-281,000.34-103,078.17

Finding the Fourth Proportional to 187,345.71, 281,000.34 and 103,078.17

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Solution

The fourth proportional to 187,345.71, 281,000.34 and 103,078.17 is: 154,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,345.71 : 281,000.34 = 103,078.17 : x
  2. Step 2: Convert to fraction form
    187,345.71/281,000.34 = 103,078.17/x
  3. Step 3: Cross multiply
    187,345.71x = 281,000.34 × 103,078.17
  4. Step 4: Simplify right side
    187,345.71x = 28,965,000,816.58
  5. Step 5: Solve for x
    x = 28,965,000,816.58/187,345.71
  6. Step 6: Final answer
    x = 154,607.23

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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.