Home / 130,418.38-195,655.65-40,459.27

Finding the Fourth Proportional to 130,418.38, 195,655.65 and 40,459.27

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Solution

The fourth proportional to 130,418.38, 195,655.65 and 40,459.27 is: 60,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,418.38 : 195,655.65 = 40,459.27 : x
  2. Step 2: Convert to fraction form
    130,418.38/195,655.65 = 40,459.27/x
  3. Step 3: Cross multiply
    130,418.38x = 195,655.65 × 40,459.27
  4. Step 4: Simplify right side
    130,418.38x = 7,916,084,770.38
  5. Step 5: Solve for x
    x = 7,916,084,770.38/130,418.38
  6. Step 6: Final answer
    x = 60,697.62

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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.