Home / 132,829.92-183,304.10-72,400.57

Finding the Fourth Proportional to 132,829.92, 183,304.10 and 72,400.57

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Solution

The fourth proportional to 132,829.92, 183,304.10 and 72,400.57 is: 99,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,829.92 : 183,304.10 = 72,400.57 : x
  2. Step 2: Convert to fraction form
    132,829.92/183,304.10 = 72,400.57/x
  3. Step 3: Cross multiply
    132,829.92x = 183,304.10 × 72,400.57
  4. Step 4: Simplify right side
    132,829.92x = 13,271,321,046.08
  5. Step 5: Solve for x
    x = 13,271,321,046.08/132,829.92
  6. Step 6: Final answer
    x = 99,912.14

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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.