Home / 97,531.27-134,556.06-72,098.70

Finding the Fourth Proportional to 97,531.27, 134,556.06 and 72,098.70

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Solution

The fourth proportional to 97,531.27, 134,556.06 and 72,098.70 is: 99,468.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,531.27 : 134,556.06 = 72,098.70 : x
  2. Step 2: Convert to fraction form
    97,531.27/134,556.06 = 72,098.70/x
  3. Step 3: Cross multiply
    97,531.27x = 134,556.06 × 72,098.70
  4. Step 4: Simplify right side
    97,531.27x = 9,701,317,525.78
  5. Step 5: Solve for x
    x = 9,701,317,525.78/97,531.27
  6. Step 6: Final answer
    x = 99,468.79

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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.