Home / 159,612.46-220,266.89-87,995.04

Finding the Fourth Proportional to 159,612.46, 220,266.89 and 87,995.04

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Solution

The fourth proportional to 159,612.46, 220,266.89 and 87,995.04 is: 121,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,612.46 : 220,266.89 = 87,995.04 : x
  2. Step 2: Convert to fraction form
    159,612.46/220,266.89 = 87,995.04/x
  3. Step 3: Cross multiply
    159,612.46x = 220,266.89 × 87,995.04
  4. Step 4: Simplify right side
    159,612.46x = 19,382,394,099.23
  5. Step 5: Solve for x
    x = 19,382,394,099.23/159,612.46
  6. Step 6: Final answer
    x = 121,434.09

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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.