Home / 250,387.90-345,655.04-142,937.17

Finding the Fourth Proportional to 250,387.90, 345,655.04 and 142,937.17

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Solution

The fourth proportional to 250,387.90, 345,655.04 and 142,937.17 is: 197,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,387.90 : 345,655.04 = 142,937.17 : x
  2. Step 2: Convert to fraction form
    250,387.90/345,655.04 = 142,937.17/x
  3. Step 3: Cross multiply
    250,387.90x = 345,655.04 × 142,937.17
  4. Step 4: Simplify right side
    250,387.90x = 49,406,951,635.01
  5. Step 5: Solve for x
    x = 49,406,951,635.01/250,387.90
  6. Step 6: Final answer
    x = 197,321.64

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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.