Home / 243,490.20-336,049.86-140,122.26

Finding the Fourth Proportional to 243,490.20, 336,049.86 and 140,122.26

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Solution

The fourth proportional to 243,490.20, 336,049.86 and 140,122.26 is: 193,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,490.20 : 336,049.86 = 140,122.26 : x
  2. Step 2: Convert to fraction form
    243,490.20/336,049.86 = 140,122.26/x
  3. Step 3: Cross multiply
    243,490.20x = 336,049.86 × 140,122.26
  4. Step 4: Simplify right side
    243,490.20x = 47,088,065,855.88
  5. Step 5: Solve for x
    x = 47,088,065,855.88/243,490.20
  6. Step 6: Final answer
    x = 193,387.93

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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.