Home / 220,031.08-330,184.86-107,780.20

Finding the Fourth Proportional to 220,031.08, 330,184.86 and 107,780.20

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Solution

The fourth proportional to 220,031.08, 330,184.86 and 107,780.20 is: 161,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,031.08 : 330,184.86 = 107,780.20 : x
  2. Step 2: Convert to fraction form
    220,031.08/330,184.86 = 107,780.20/x
  3. Step 3: Cross multiply
    220,031.08x = 330,184.86 × 107,780.20
  4. Step 4: Simplify right side
    220,031.08x = 35,587,390,247.77
  5. Step 5: Solve for x
    x = 35,587,390,247.77/220,031.08
  6. Step 6: Final answer
    x = 161,738.02

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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.