Home / 187,200.35-258,332.67-102,318.02

Finding the Fourth Proportional to 187,200.35, 258,332.67 and 102,318.02

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Solution

The fourth proportional to 187,200.35, 258,332.67 and 102,318.02 is: 141,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,200.35 : 258,332.67 = 102,318.02 : x
  2. Step 2: Convert to fraction form
    187,200.35/258,332.67 = 102,318.02/x
  3. Step 3: Cross multiply
    187,200.35x = 258,332.67 × 102,318.02
  4. Step 4: Simplify right side
    187,200.35x = 26,432,086,004.05
  5. Step 5: Solve for x
    x = 26,432,086,004.05/187,200.35
  6. Step 6: Final answer
    x = 141,196.78

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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.