Home / 132,387.89-182,570.76-102,125.34

Finding the Fourth Proportional to 132,387.89, 182,570.76 and 102,125.34

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Solution

The fourth proportional to 132,387.89, 182,570.76 and 102,125.34 is: 140,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,387.89 : 182,570.76 = 102,125.34 : x
  2. Step 2: Convert to fraction form
    132,387.89/182,570.76 = 102,125.34/x
  3. Step 3: Cross multiply
    132,387.89x = 182,570.76 × 102,125.34
  4. Step 4: Simplify right side
    132,387.89x = 18,645,100,939.06
  5. Step 5: Solve for x
    x = 18,645,100,939.06/132,387.89
  6. Step 6: Final answer
    x = 140,836.91

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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.