Home / 136,724.15-205,018.67-41,931.61

Finding the Fourth Proportional to 136,724.15, 205,018.67 and 41,931.61

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Solution

The fourth proportional to 136,724.15, 205,018.67 and 41,931.61 is: 62,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,724.15 : 205,018.67 = 41,931.61 : x
  2. Step 2: Convert to fraction form
    136,724.15/205,018.67 = 41,931.61/x
  3. Step 3: Cross multiply
    136,724.15x = 205,018.67 × 41,931.61
  4. Step 4: Simplify right side
    136,724.15x = 8,596,762,505.44
  5. Step 5: Solve for x
    x = 8,596,762,505.44/136,724.15
  6. Step 6: Final answer
    x = 62,876.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.