Home / 132,841.67-183,319.13-72,412.83

Finding the Fourth Proportional to 132,841.67, 183,319.13 and 72,412.83

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Solution

The fourth proportional to 132,841.67, 183,319.13 and 72,412.83 is: 99,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,841.67 : 183,319.13 = 72,412.83 : x
  2. Step 2: Convert to fraction form
    132,841.67/183,319.13 = 72,412.83/x
  3. Step 3: Cross multiply
    132,841.67x = 183,319.13 × 72,412.83
  4. Step 4: Simplify right side
    132,841.67x = 13,274,657,177.47
  5. Step 5: Solve for x
    x = 13,274,657,177.47/132,841.67
  6. Step 6: Final answer
    x = 99,928.42

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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.