Home / 130,910.60-196,365.90-47,793.80

Finding the Fourth Proportional to 130,910.60, 196,365.90 and 47,793.80

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Solution

The fourth proportional to 130,910.60, 196,365.90 and 47,793.80 is: 71,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,910.60 : 196,365.90 = 47,793.80 : x
  2. Step 2: Convert to fraction form
    130,910.60/196,365.90 = 47,793.80/x
  3. Step 3: Cross multiply
    130,910.60x = 196,365.90 × 47,793.80
  4. Step 4: Simplify right side
    130,910.60x = 9,385,072,551.42
  5. Step 5: Solve for x
    x = 9,385,072,551.42/130,910.60
  6. Step 6: Final answer
    x = 71,690.70

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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.