Home / 158,579.48-218,844.78-90,581.96

Finding the Fourth Proportional to 158,579.48, 218,844.78 and 90,581.96

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Solution

The fourth proportional to 158,579.48, 218,844.78 and 90,581.96 is: 125,006.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,579.48 : 218,844.78 = 90,581.96 : x
  2. Step 2: Convert to fraction form
    158,579.48/218,844.78 = 90,581.96/x
  3. Step 3: Cross multiply
    158,579.48x = 218,844.78 × 90,581.96
  4. Step 4: Simplify right side
    158,579.48x = 19,823,389,108.17
  5. Step 5: Solve for x
    x = 19,823,389,108.17/158,579.48
  6. Step 6: Final answer
    x = 125,006.02

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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.