Home / 187,042.14-258,118.14-102,159.39

Finding the Fourth Proportional to 187,042.14, 258,118.14 and 102,159.39

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Solution

The fourth proportional to 187,042.14, 258,118.14 and 102,159.39 is: 140,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,042.14 : 258,118.14 = 102,159.39 : x
  2. Step 2: Convert to fraction form
    187,042.14/258,118.14 = 102,159.39/x
  3. Step 3: Cross multiply
    187,042.14x = 258,118.14 × 102,159.39
  4. Step 4: Simplify right side
    187,042.14x = 26,369,191,730.33
  5. Step 5: Solve for x
    x = 26,369,191,730.33/187,042.14
  6. Step 6: Final answer
    x = 140,979.95

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1.5x scale

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.