Home / 187,608.86-258,897.65-102,725.91

Finding the Fourth Proportional to 187,608.86, 258,897.65 and 102,725.91

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Solution

The fourth proportional to 187,608.86, 258,897.65 and 102,725.91 is: 141,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,608.86 : 258,897.65 = 102,725.91 : x
  2. Step 2: Convert to fraction form
    187,608.86/258,897.65 = 102,725.91/x
  3. Step 3: Cross multiply
    187,608.86x = 258,897.65 × 102,725.91
  4. Step 4: Simplify right side
    187,608.86x = 26,595,496,179.48
  5. Step 5: Solve for x
    x = 26,595,496,179.48/187,608.86
  6. Step 6: Final answer
    x = 141,760.35

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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.