Home / 159,523.40-220,146.99-87,908.04

Finding the Fourth Proportional to 159,523.40, 220,146.99 and 87,908.04

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Solution

The fourth proportional to 159,523.40, 220,146.99 and 87,908.04 is: 121,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,523.40 : 220,146.99 = 87,908.04 : x
  2. Step 2: Convert to fraction form
    159,523.40/220,146.99 = 87,908.04/x
  3. Step 3: Cross multiply
    159,523.40x = 220,146.99 × 87,908.04
  4. Step 4: Simplify right side
    159,523.40x = 19,352,690,073.14
  5. Step 5: Solve for x
    x = 19,352,690,073.14/159,523.40
  6. Step 6: Final answer
    x = 121,315.68

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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.