Home / 112,697.11-155,333.05-89,963.25

Finding the Fourth Proportional to 112,697.11, 155,333.05 and 89,963.25

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Solution

The fourth proportional to 112,697.11, 155,333.05 and 89,963.25 is: 123,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,697.11 : 155,333.05 = 89,963.25 : x
  2. Step 2: Convert to fraction form
    112,697.11/155,333.05 = 89,963.25/x
  3. Step 3: Cross multiply
    112,697.11x = 155,333.05 × 89,963.25
  4. Step 4: Simplify right side
    112,697.11x = 13,974,266,010.41
  5. Step 5: Solve for x
    x = 13,974,266,010.41/112,697.11
  6. Step 6: Final answer
    x = 123,998.44

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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.