Home / 159,089.92-219,544.24-87,471.16

Finding the Fourth Proportional to 159,089.92, 219,544.24 and 87,471.16

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Solution

The fourth proportional to 159,089.92, 219,544.24 and 87,471.16 is: 120,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,089.92 : 219,544.24 = 87,471.16 : x
  2. Step 2: Convert to fraction form
    159,089.92/219,544.24 = 87,471.16/x
  3. Step 3: Cross multiply
    159,089.92x = 219,544.24 × 87,471.16
  4. Step 4: Simplify right side
    159,089.92x = 19,203,789,344.12
  5. Step 5: Solve for x
    x = 19,203,789,344.12/159,089.92
  6. Step 6: Final answer
    x = 120,710.28

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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.