Home / 112,800.61-155,870.13-107,334.73

Finding the Fourth Proportional to 112,800.61, 155,870.13 and 107,334.73

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Solution

The fourth proportional to 112,800.61, 155,870.13 and 107,334.73 is: 148,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,800.61 : 155,870.13 = 107,334.73 : x
  2. Step 2: Convert to fraction form
    112,800.61/155,870.13 = 107,334.73/x
  3. Step 3: Cross multiply
    112,800.61x = 155,870.13 × 107,334.73
  4. Step 4: Simplify right side
    112,800.61x = 16,730,278,318.61
  5. Step 5: Solve for x
    x = 16,730,278,318.61/112,800.61
  6. Step 6: Final answer
    x = 148,317.27

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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.