Home / 187,168.81-258,293.06-102,285.87

Finding the Fourth Proportional to 187,168.81, 258,293.06 and 102,285.87

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Solution

The fourth proportional to 187,168.81, 258,293.06 and 102,285.87 is: 141,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,168.81 : 258,293.06 = 102,285.87 : x
  2. Step 2: Convert to fraction form
    187,168.81/258,293.06 = 102,285.87/x
  3. Step 3: Cross multiply
    187,168.81x = 258,293.06 × 102,285.87
  4. Step 4: Simplify right side
    187,168.81x = 26,419,730,612.78
  5. Step 5: Solve for x
    x = 26,419,730,612.78/187,168.81
  6. Step 6: Final answer
    x = 141,154.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.