Home / 132,035.78-182,209.47-71,606.42

Finding the Fourth Proportional to 132,035.78, 182,209.47 and 71,606.42

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Solution

The fourth proportional to 132,035.78, 182,209.47 and 71,606.42 is: 98,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,035.78 : 182,209.47 = 71,606.42 : x
  2. Step 2: Convert to fraction form
    132,035.78/182,209.47 = 71,606.42/x
  3. Step 3: Cross multiply
    132,035.78x = 182,209.47 × 71,606.42
  4. Step 4: Simplify right side
    132,035.78x = 13,047,367,836.80
  5. Step 5: Solve for x
    x = 13,047,367,836.80/132,035.78
  6. Step 6: Final answer
    x = 98,816.91

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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.