Home / 130,793.28-196,276.05-71,670.45

Finding the Fourth Proportional to 130,793.28, 196,276.05 and 71,670.45

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Solution

The fourth proportional to 130,793.28, 196,276.05 and 71,670.45 is: 107,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,793.28 : 196,276.05 = 71,670.45 : x
  2. Step 2: Convert to fraction form
    130,793.28/196,276.05 = 71,670.45/x
  3. Step 3: Cross multiply
    130,793.28x = 196,276.05 × 71,670.45
  4. Step 4: Simplify right side
    130,793.28x = 14,067,192,827.72
  5. Step 5: Solve for x
    x = 14,067,192,827.72/130,793.28
  6. Step 6: Final answer
    x = 107,552.87

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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.