Home / 250,285.44-345,402.54-137,108.20

Finding the Fourth Proportional to 250,285.44, 345,402.54 and 137,108.20

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Solution

The fourth proportional to 250,285.44, 345,402.54 and 137,108.20 is: 189,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,285.44 : 345,402.54 = 137,108.20 : x
  2. Step 2: Convert to fraction form
    250,285.44/345,402.54 = 137,108.20/x
  3. Step 3: Cross multiply
    250,285.44x = 345,402.54 × 137,108.20
  4. Step 4: Simplify right side
    250,285.44x = 47,357,520,534.83
  5. Step 5: Solve for x
    x = 47,357,520,534.83/250,285.44
  6. Step 6: Final answer
    x = 189,214.05

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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.