Home / 159,923.62-220,607.31-111,448.90

Finding the Fourth Proportional to 159,923.62, 220,607.31 and 111,448.90

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Solution

The fourth proportional to 159,923.62, 220,607.31 and 111,448.90 is: 153,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,923.62 : 220,607.31 = 111,448.90 : x
  2. Step 2: Convert to fraction form
    159,923.62/220,607.31 = 111,448.90/x
  3. Step 3: Cross multiply
    159,923.62x = 220,607.31 × 111,448.90
  4. Step 4: Simplify right side
    159,923.62x = 24,586,442,031.46
  5. Step 5: Solve for x
    x = 24,586,442,031.46/159,923.62
  6. Step 6: Final answer
    x = 153,738.65

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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.