Home / 250,127.28-345,143.57-142,691.04

Finding the Fourth Proportional to 250,127.28, 345,143.57 and 142,691.04

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Solution

The fourth proportional to 250,127.28, 345,143.57 and 142,691.04 is: 196,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,127.28 : 345,143.57 = 142,691.04 : x
  2. Step 2: Convert to fraction form
    250,127.28/345,143.57 = 142,691.04/x
  3. Step 3: Cross multiply
    250,127.28x = 345,143.57 × 142,691.04
  4. Step 4: Simplify right side
    250,127.28x = 49,248,894,239.16
  5. Step 5: Solve for x
    x = 49,248,894,239.16/250,127.28
  6. Step 6: Final answer
    x = 196,895.33

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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.