Home / 159,565.32-220,190.24-87,945.93

Finding the Fourth Proportional to 159,565.32, 220,190.24 and 87,945.93

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Solution

The fourth proportional to 159,565.32, 220,190.24 and 87,945.93 is: 121,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,565.32 : 220,190.24 = 87,945.93 : x
  2. Step 2: Convert to fraction form
    159,565.32/220,190.24 = 87,945.93/x
  3. Step 3: Cross multiply
    159,565.32x = 220,190.24 × 87,945.93
  4. Step 4: Simplify right side
    159,565.32x = 19,364,834,993.99
  5. Step 5: Solve for x
    x = 19,364,834,993.99/159,565.32
  6. Step 6: Final answer
    x = 121,359.92

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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.