Home / 136,054.20-204,081.30-47,278.20

Finding the Fourth Proportional to 136,054.20, 204,081.30 and 47,278.20

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Solution

The fourth proportional to 136,054.20, 204,081.30 and 47,278.20 is: 70,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,054.20 : 204,081.30 = 47,278.20 : x
  2. Step 2: Convert to fraction form
    136,054.20/204,081.30 = 47,278.20/x
  3. Step 3: Cross multiply
    136,054.20x = 204,081.30 × 47,278.20
  4. Step 4: Simplify right side
    136,054.20x = 9,648,596,517.66
  5. Step 5: Solve for x
    x = 9,648,596,517.66/136,054.20
  6. Step 6: Final answer
    x = 70,917.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.