Home / 220,819.96-304,789.80-136,008.10

Finding the Fourth Proportional to 220,819.96, 304,789.80 and 136,008.10

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Solution

The fourth proportional to 220,819.96, 304,789.80 and 136,008.10 is: 187,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,819.96 : 304,789.80 = 136,008.10 : x
  2. Step 2: Convert to fraction form
    220,819.96/304,789.80 = 136,008.10/x
  3. Step 3: Cross multiply
    220,819.96x = 304,789.80 × 136,008.10
  4. Step 4: Simplify right side
    220,819.96x = 41,453,881,597.38
  5. Step 5: Solve for x
    x = 41,453,881,597.38/220,819.96
  6. Step 6: Final answer
    x = 187,727.06

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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.