Home / 232,449.24-348,538.38-90,128.25

Finding the Fourth Proportional to 232,449.24, 348,538.38 and 90,128.25

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Solution

The fourth proportional to 232,449.24, 348,538.38 and 90,128.25 is: 135,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,449.24 : 348,538.38 = 90,128.25 : x
  2. Step 2: Convert to fraction form
    232,449.24/348,538.38 = 90,128.25/x
  3. Step 3: Cross multiply
    232,449.24x = 348,538.38 × 90,128.25
  4. Step 4: Simplify right side
    232,449.24x = 31,413,154,472.56
  5. Step 5: Solve for x
    x = 31,413,154,472.56/232,449.24
  6. Step 6: Final answer
    x = 135,139.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.