Home / 112,799.61-155,868.75-107,333.73

Finding the Fourth Proportional to 112,799.61, 155,868.75 and 107,333.73

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Solution

The fourth proportional to 112,799.61, 155,868.75 and 107,333.73 is: 148,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,799.61 : 155,868.75 = 107,333.73 : x
  2. Step 2: Convert to fraction form
    112,799.61/155,868.75 = 107,333.73/x
  3. Step 3: Cross multiply
    112,799.61x = 155,868.75 × 107,333.73
  4. Step 4: Simplify right side
    112,799.61x = 16,729,974,327.94
  5. Step 5: Solve for x
    x = 16,729,974,327.94/112,799.61
  6. Step 6: Final answer
    x = 148,315.89

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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.