Home / 220,188.30-330,282.45-144,080.70

Finding the Fourth Proportional to 220,188.30, 330,282.45 and 144,080.70

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Solution

The fourth proportional to 220,188.30, 330,282.45 and 144,080.70 is: 216,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,188.30 : 330,282.45 = 144,080.70 : x
  2. Step 2: Convert to fraction form
    220,188.30/330,282.45 = 144,080.70/x
  3. Step 3: Cross multiply
    220,188.30x = 330,282.45 × 144,080.70
  4. Step 4: Simplify right side
    220,188.30x = 47,587,326,593.72
  5. Step 5: Solve for x
    x = 47,587,326,593.72/220,188.30
  6. Step 6: Final answer
    x = 216,121.05

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1.5x scale

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.