Home / 132,386.21-182,694.20-71,957

Finding the Fourth Proportional to 132,386.21, 182,694.20 and 71,957

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Solution

The fourth proportional to 132,386.21, 182,694.20 and 71,957 is: 99,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,386.21 : 182,694.20 = 71,957 : x
  2. Step 2: Convert to fraction form
    132,386.21/182,694.20 = 71,957/x
  3. Step 3: Cross multiply
    132,386.21x = 182,694.20 × 71,957
  4. Step 4: Simplify right side
    132,386.21x = 13,146,126,549.40
  5. Step 5: Solve for x
    x = 13,146,126,549.40/132,386.21
  6. Step 6: Final answer
    x = 99,301.33

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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.