Home / 159,484.82-220,088.52-87,864.22

Finding the Fourth Proportional to 159,484.82, 220,088.52 and 87,864.22

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Solution

The fourth proportional to 159,484.82, 220,088.52 and 87,864.22 is: 121,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,484.82 : 220,088.52 = 87,864.22 : x
  2. Step 2: Convert to fraction form
    159,484.82/220,088.52 = 87,864.22/x
  3. Step 3: Cross multiply
    159,484.82x = 220,088.52 × 87,864.22
  4. Step 4: Simplify right side
    159,484.82x = 19,337,906,140.75
  5. Step 5: Solve for x
    x = 19,337,906,140.75/159,484.82
  6. Step 6: Final answer
    x = 121,252.33

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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.