Home / 243,743.86-336,371.15-136,325.71

Finding the Fourth Proportional to 243,743.86, 336,371.15 and 136,325.71

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Solution

The fourth proportional to 243,743.86, 336,371.15 and 136,325.71 is: 188,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,743.86 : 336,371.15 = 136,325.71 : x
  2. Step 2: Convert to fraction form
    243,743.86/336,371.15 = 136,325.71/x
  3. Step 3: Cross multiply
    243,743.86x = 336,371.15 × 136,325.71
  4. Step 4: Simplify right side
    243,743.86x = 45,856,035,847.27
  5. Step 5: Solve for x
    x = 45,856,035,847.27/243,743.86
  6. Step 6: Final answer
    x = 188,132.07

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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.