Home / 223,837.92-335,895.12-90,719.28

Finding the Fourth Proportional to 223,837.92, 335,895.12 and 90,719.28

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Solution

The fourth proportional to 223,837.92, 335,895.12 and 90,719.28 is: 136,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,837.92 : 335,895.12 = 90,719.28 : x
  2. Step 2: Convert to fraction form
    223,837.92/335,895.12 = 90,719.28/x
  3. Step 3: Cross multiply
    223,837.92x = 335,895.12 × 90,719.28
  4. Step 4: Simplify right side
    223,837.92x = 30,472,163,441.91
  5. Step 5: Solve for x
    x = 30,472,163,441.91/223,837.92
  6. Step 6: Final answer
    x = 136,134.95

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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.