Home / 104,831.72-144,658.66-59,511.61

Finding the Fourth Proportional to 104,831.72, 144,658.66 and 59,511.61

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Solution

The fourth proportional to 104,831.72, 144,658.66 and 59,511.61 is: 82,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,831.72 : 144,658.66 = 59,511.61 : x
  2. Step 2: Convert to fraction form
    104,831.72/144,658.66 = 59,511.61/x
  3. Step 3: Cross multiply
    104,831.72x = 144,658.66 × 59,511.61
  4. Step 4: Simplify right side
    104,831.72x = 8,608,869,900.67
  5. Step 5: Solve for x
    x = 8,608,869,900.67/104,831.72
  6. Step 6: Final answer
    x = 82,120.85

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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.