Home / 187,042.14-258,119.49-102,159.18

Finding the Fourth Proportional to 187,042.14, 258,119.49 and 102,159.18

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Solution

The fourth proportional to 187,042.14, 258,119.49 and 102,159.18 is: 140,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,042.14 : 258,119.49 = 102,159.18 : x
  2. Step 2: Convert to fraction form
    187,042.14/258,119.49 = 102,159.18/x
  3. Step 3: Cross multiply
    187,042.14x = 258,119.49 × 102,159.18
  4. Step 4: Simplify right side
    187,042.14x = 26,369,275,440.42
  5. Step 5: Solve for x
    x = 26,369,275,440.42/187,042.14
  6. Step 6: Final answer
    x = 140,980.40

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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.