Home / 130,176.46-195,375.65-51,346.05

Finding the Fourth Proportional to 130,176.46, 195,375.65 and 51,346.05

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Solution

The fourth proportional to 130,176.46, 195,375.65 and 51,346.05 is: 77,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,176.46 : 195,375.65 = 51,346.05 : x
  2. Step 2: Convert to fraction form
    130,176.46/195,375.65 = 51,346.05/x
  3. Step 3: Cross multiply
    130,176.46x = 195,375.65 × 51,346.05
  4. Step 4: Simplify right side
    130,176.46x = 10,031,766,904.29
  5. Step 5: Solve for x
    x = 10,031,766,904.29/130,176.46
  6. Step 6: Final answer
    x = 77,062.83

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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.