Home / 187,925.40-259,337.70-103,042.80

Finding the Fourth Proportional to 187,925.40, 259,337.70 and 103,042.80

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Solution

The fourth proportional to 187,925.40, 259,337.70 and 103,042.80 is: 142,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,925.40 : 259,337.70 = 103,042.80 : x
  2. Step 2: Convert to fraction form
    187,925.40/259,337.70 = 103,042.80/x
  3. Step 3: Cross multiply
    187,925.40x = 259,337.70 × 103,042.80
  4. Step 4: Simplify right side
    187,925.40x = 26,722,882,753.56
  5. Step 5: Solve for x
    x = 26,722,882,753.56/187,925.40
  6. Step 6: Final answer
    x = 142,199.42

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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.