Home / 112,944.27-155,836.95-67,605.03

Finding the Fourth Proportional to 112,944.27, 155,836.95 and 67,605.03

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Solution

The fourth proportional to 112,944.27, 155,836.95 and 67,605.03 is: 93,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,944.27 : 155,836.95 = 67,605.03 : x
  2. Step 2: Convert to fraction form
    112,944.27/155,836.95 = 67,605.03/x
  3. Step 3: Cross multiply
    112,944.27x = 155,836.95 × 67,605.03
  4. Step 4: Simplify right side
    112,944.27x = 10,535,361,679.86
  5. Step 5: Solve for x
    x = 10,535,361,679.86/112,944.27
  6. Step 6: Final answer
    x = 93,279.29

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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.