Home / 132,719.92-183,147.18-72,290.27

Finding the Fourth Proportional to 132,719.92, 183,147.18 and 72,290.27

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Solution

The fourth proportional to 132,719.92, 183,147.18 and 72,290.27 is: 99,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,719.92 : 183,147.18 = 72,290.27 : x
  2. Step 2: Convert to fraction form
    132,719.92/183,147.18 = 72,290.27/x
  3. Step 3: Cross multiply
    132,719.92x = 183,147.18 × 72,290.27
  4. Step 4: Simplify right side
    132,719.92x = 13,239,759,278.72
  5. Step 5: Solve for x
    x = 13,239,759,278.72/132,719.92
  6. Step 6: Final answer
    x = 99,757.14

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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.