Home / 112,876.28-155,737.74-88,928.62

Finding the Fourth Proportional to 112,876.28, 155,737.74 and 88,928.62

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Solution

The fourth proportional to 112,876.28, 155,737.74 and 88,928.62 is: 122,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,876.28 : 155,737.74 = 88,928.62 : x
  2. Step 2: Convert to fraction form
    112,876.28/155,737.74 = 88,928.62/x
  3. Step 3: Cross multiply
    112,876.28x = 155,737.74 × 88,928.62
  4. Step 4: Simplify right side
    112,876.28x = 13,849,542,300.12
  5. Step 5: Solve for x
    x = 13,849,542,300.12/112,876.28
  6. Step 6: Final answer
    x = 122,696.66

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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.