Home / 197,464.22-272,217.20-140,777.18

Finding the Fourth Proportional to 197,464.22, 272,217.20 and 140,777.18

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Solution

The fourth proportional to 197,464.22, 272,217.20 and 140,777.18 is: 194,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,464.22 : 272,217.20 = 140,777.18 : x
  2. Step 2: Convert to fraction form
    197,464.22/272,217.20 = 140,777.18/x
  3. Step 3: Cross multiply
    197,464.22x = 272,217.20 × 140,777.18
  4. Step 4: Simplify right side
    197,464.22x = 38,321,969,763.50
  5. Step 5: Solve for x
    x = 38,321,969,763.50/197,464.22
  6. Step 6: Final answer
    x = 194,070.45

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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.