Home / 250,285.64-345,398.10-137,100.92

Finding the Fourth Proportional to 250,285.64, 345,398.10 and 137,100.92

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Solution

The fourth proportional to 250,285.64, 345,398.10 and 137,100.92 is: 189,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,285.64 : 345,398.10 = 137,100.92 : x
  2. Step 2: Convert to fraction form
    250,285.64/345,398.10 = 137,100.92/x
  3. Step 3: Cross multiply
    250,285.64x = 345,398.10 × 137,100.92
  4. Step 4: Simplify right side
    250,285.64x = 47,354,397,276.25
  5. Step 5: Solve for x
    x = 47,354,397,276.25/250,285.64
  6. Step 6: Final answer
    x = 189,201.42

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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.