Home / 159,581.52-220,018.04-130,795.28

Finding the Fourth Proportional to 159,581.52, 220,018.04 and 130,795.28

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Solution

The fourth proportional to 159,581.52, 220,018.04 and 130,795.28 is: 180,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,581.52 : 220,018.04 = 130,795.28 : x
  2. Step 2: Convert to fraction form
    159,581.52/220,018.04 = 130,795.28/x
  3. Step 3: Cross multiply
    159,581.52x = 220,018.04 × 130,795.28
  4. Step 4: Simplify right side
    159,581.52x = 28,777,321,146.85
  5. Step 5: Solve for x
    x = 28,777,321,146.85/159,581.52
  6. Step 6: Final answer
    x = 180,329.91

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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.