Home / 132,425.48-182,746.25-71,996.12

Finding the Fourth Proportional to 132,425.48, 182,746.25 and 71,996.12

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Solution

The fourth proportional to 132,425.48, 182,746.25 and 71,996.12 is: 99,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,425.48 : 182,746.25 = 71,996.12 : x
  2. Step 2: Convert to fraction form
    132,425.48/182,746.25 = 71,996.12/x
  3. Step 3: Cross multiply
    132,425.48x = 182,746.25 × 71,996.12
  4. Step 4: Simplify right side
    132,425.48x = 13,157,021,031.10
  5. Step 5: Solve for x
    x = 13,157,021,031.10/132,425.48
  6. Step 6: Final answer
    x = 99,354.15

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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.