Home / 112,869.27-155,728.08-88,921.62

Finding the Fourth Proportional to 112,869.27, 155,728.08 and 88,921.62

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Solution

The fourth proportional to 112,869.27, 155,728.08 and 88,921.62 is: 122,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,869.27 : 155,728.08 = 88,921.62 : x
  2. Step 2: Convert to fraction form
    112,869.27/155,728.08 = 88,921.62/x
  3. Step 3: Cross multiply
    112,869.27x = 155,728.08 × 88,921.62
  4. Step 4: Simplify right side
    112,869.27x = 13,847,593,153.09
  5. Step 5: Solve for x
    x = 13,847,593,153.09/112,869.27
  6. Step 6: Final answer
    x = 122,687.01

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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.