Home / 132,598.39-182,985.78-72,169.47

Finding the Fourth Proportional to 132,598.39, 182,985.78 and 72,169.47

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Solution

The fourth proportional to 132,598.39, 182,985.78 and 72,169.47 is: 99,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,598.39 : 182,985.78 = 72,169.47 : x
  2. Step 2: Convert to fraction form
    132,598.39/182,985.78 = 72,169.47/x
  3. Step 3: Cross multiply
    132,598.39x = 182,985.78 × 72,169.47
  4. Step 4: Simplify right side
    132,598.39x = 13,205,986,760.14
  5. Step 5: Solve for x
    x = 13,205,986,760.14/132,598.39
  6. Step 6: Final answer
    x = 99,593.87

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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.