Home / 159,732.20-220,427.70-88,119.08

Finding the Fourth Proportional to 159,732.20, 220,427.70 and 88,119.08

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Solution

The fourth proportional to 159,732.20, 220,427.70 and 88,119.08 is: 121,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,732.20 : 220,427.70 = 88,119.08 : x
  2. Step 2: Convert to fraction form
    159,732.20/220,427.70 = 88,119.08/x
  3. Step 3: Cross multiply
    159,732.20x = 220,427.70 × 88,119.08
  4. Step 4: Simplify right side
    159,732.20x = 19,423,886,130.52
  5. Step 5: Solve for x
    x = 19,423,886,130.52/159,732.20
  6. Step 6: Final answer
    x = 121,602.82

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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.