Home / 112,652.19-155,446.28-89,740.37

Finding the Fourth Proportional to 112,652.19, 155,446.28 and 89,740.37

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Solution

The fourth proportional to 112,652.19, 155,446.28 and 89,740.37 is: 123,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,652.19 : 155,446.28 = 89,740.37 : x
  2. Step 2: Convert to fraction form
    112,652.19/155,446.28 = 89,740.37/x
  3. Step 3: Cross multiply
    112,652.19x = 155,446.28 × 89,740.37
  4. Step 4: Simplify right side
    112,652.19x = 13,949,805,456.39
  5. Step 5: Solve for x
    x = 13,949,805,456.39/112,652.19
  6. Step 6: Final answer
    x = 123,830.75

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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.