Home / 240,572.64-331,957.38-138,560.16

Finding the Fourth Proportional to 240,572.64, 331,957.38 and 138,560.16

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Solution

The fourth proportional to 240,572.64, 331,957.38 and 138,560.16 is: 191,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,572.64 : 331,957.38 = 138,560.16 : x
  2. Step 2: Convert to fraction form
    240,572.64/331,957.38 = 138,560.16/x
  3. Step 3: Cross multiply
    240,572.64x = 331,957.38 × 138,560.16
  4. Step 4: Simplify right side
    240,572.64x = 45,996,067,685.98
  5. Step 5: Solve for x
    x = 45,996,067,685.98/240,572.64
  6. Step 6: Final answer
    x = 191,194.09

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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.