Home / 243,487.20-336,045.71-140,119.26

Finding the Fourth Proportional to 243,487.20, 336,045.71 and 140,119.26

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Solution

The fourth proportional to 243,487.20, 336,045.71 and 140,119.26 is: 193,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,487.20 : 336,045.71 = 140,119.26 : x
  2. Step 2: Convert to fraction form
    243,487.20/336,045.71 = 140,119.26/x
  3. Step 3: Cross multiply
    243,487.20x = 336,045.71 × 140,119.26
  4. Step 4: Simplify right side
    243,487.20x = 47,086,475,510.78
  5. Step 5: Solve for x
    x = 47,086,475,510.78/243,487.20
  6. Step 6: Final answer
    x = 193,383.78

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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.