Home / 107,328.46-148,113.84-67,065.61

Finding the Fourth Proportional to 107,328.46, 148,113.84 and 67,065.61

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Solution

The fourth proportional to 107,328.46, 148,113.84 and 67,065.61 is: 92,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,328.46 : 148,113.84 = 67,065.61 : x
  2. Step 2: Convert to fraction form
    107,328.46/148,113.84 = 67,065.61/x
  3. Step 3: Cross multiply
    107,328.46x = 148,113.84 × 67,065.61
  4. Step 4: Simplify right side
    107,328.46x = 9,933,345,029.04
  5. Step 5: Solve for x
    x = 9,933,345,029.04/107,328.46
  6. Step 6: Final answer
    x = 92,550.89

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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.