Home / 130,373.89-195,560.82-71,177.27

Finding the Fourth Proportional to 130,373.89, 195,560.82 and 71,177.27

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Solution

The fourth proportional to 130,373.89, 195,560.82 and 71,177.27 is: 106,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,373.89 : 195,560.82 = 71,177.27 : x
  2. Step 2: Convert to fraction form
    130,373.89/195,560.82 = 71,177.27/x
  3. Step 3: Cross multiply
    130,373.89x = 195,560.82 × 71,177.27
  4. Step 4: Simplify right side
    130,373.89x = 13,919,484,308.76
  5. Step 5: Solve for x
    x = 13,919,484,308.76/130,373.89
  6. Step 6: Final answer
    x = 106,765.89

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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.