Home / 131,677.52-181,714.20-75,087.68

Finding the Fourth Proportional to 131,677.52, 181,714.20 and 75,087.68

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Solution

The fourth proportional to 131,677.52, 181,714.20 and 75,087.68 is: 103,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,677.52 : 181,714.20 = 75,087.68 : x
  2. Step 2: Convert to fraction form
    131,677.52/181,714.20 = 75,087.68/x
  3. Step 3: Cross multiply
    131,677.52x = 181,714.20 × 75,087.68
  4. Step 4: Simplify right side
    131,677.52x = 13,644,497,701.06
  5. Step 5: Solve for x
    x = 13,644,497,701.06/131,677.52
  6. Step 6: Final answer
    x = 103,620.55

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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.