Home / 129,719.57-194,563.25-34,957.16

Finding the Fourth Proportional to 129,719.57, 194,563.25 and 34,957.16

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Solution

The fourth proportional to 129,719.57, 194,563.25 and 34,957.16 is: 52,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,719.57 : 194,563.25 = 34,957.16 : x
  2. Step 2: Convert to fraction form
    129,719.57/194,563.25 = 34,957.16/x
  3. Step 3: Cross multiply
    129,719.57x = 194,563.25 × 34,957.16
  4. Step 4: Simplify right side
    129,719.57x = 6,801,378,373.47
  5. Step 5: Solve for x
    x = 6,801,378,373.47/129,719.57
  6. Step 6: Final answer
    x = 52,431.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.