Home / 220,744.13-304,590.25-130,087.79

Finding the Fourth Proportional to 220,744.13, 304,590.25 and 130,087.79

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Solution

The fourth proportional to 220,744.13, 304,590.25 and 130,087.79 is: 179,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,744.13 : 304,590.25 = 130,087.79 : x
  2. Step 2: Convert to fraction form
    220,744.13/304,590.25 = 130,087.79/x
  3. Step 3: Cross multiply
    220,744.13x = 304,590.25 × 130,087.79
  4. Step 4: Simplify right side
    220,744.13x = 39,623,472,478.05
  5. Step 5: Solve for x
    x = 39,623,472,478.05/220,744.13
  6. Step 6: Final answer
    x = 179,499.55

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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.