Home / 197,677.12-272,793.28-107,031.22

Finding the Fourth Proportional to 197,677.12, 272,793.28 and 107,031.22

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Solution

The fourth proportional to 197,677.12, 272,793.28 and 107,031.22 is: 147,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,677.12 : 272,793.28 = 107,031.22 : x
  2. Step 2: Convert to fraction form
    197,677.12/272,793.28 = 107,031.22/x
  3. Step 3: Cross multiply
    197,677.12x = 272,793.28 × 107,031.22
  4. Step 4: Simplify right side
    197,677.12x = 29,197,397,566.20
  5. Step 5: Solve for x
    x = 29,197,397,566.20/197,677.12
  6. Step 6: Final answer
    x = 147,702.46

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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.