Home / 220,934.20-304,889.16-120,332.20

Finding the Fourth Proportional to 220,934.20, 304,889.16 and 120,332.20

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Solution

The fourth proportional to 220,934.20, 304,889.16 and 120,332.20 is: 166,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,934.20 : 304,889.16 = 120,332.20 : x
  2. Step 2: Convert to fraction form
    220,934.20/304,889.16 = 120,332.20/x
  3. Step 3: Cross multiply
    220,934.20x = 304,889.16 × 120,332.20
  4. Step 4: Simplify right side
    220,934.20x = 36,687,983,378.95
  5. Step 5: Solve for x
    x = 36,687,983,378.95/220,934.20
  6. Step 6: Final answer
    x = 166,058.42

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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.