Home / 159,902.24-220,665.40-88,282.40

Finding the Fourth Proportional to 159,902.24, 220,665.40 and 88,282.40

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Solution

The fourth proportional to 159,902.24, 220,665.40 and 88,282.40 is: 121,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,902.24 : 220,665.40 = 88,282.40 : x
  2. Step 2: Convert to fraction form
    159,902.24/220,665.40 = 88,282.40/x
  3. Step 3: Cross multiply
    159,902.24x = 220,665.40 × 88,282.40
  4. Step 4: Simplify right side
    159,902.24x = 19,480,871,108.96
  5. Step 5: Solve for x
    x = 19,480,871,108.96/159,902.24
  6. Step 6: Final answer
    x = 121,829.88

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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.