Home / 112,748.28-155,426.22-88,827.36

Finding the Fourth Proportional to 112,748.28, 155,426.22 and 88,827.36

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Solution

The fourth proportional to 112,748.28, 155,426.22 and 88,827.36 is: 122,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,748.28 : 155,426.22 = 88,827.36 : x
  2. Step 2: Convert to fraction form
    112,748.28/155,426.22 = 88,827.36/x
  3. Step 3: Cross multiply
    112,748.28x = 155,426.22 × 88,827.36
  4. Step 4: Simplify right side
    112,748.28x = 13,806,100,797.38
  5. Step 5: Solve for x
    x = 13,806,100,797.38/112,748.28
  6. Step 6: Final answer
    x = 122,450.66

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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.