Home / 130,402.72-195,601.92-41,655.60

Finding the Fourth Proportional to 130,402.72, 195,601.92 and 41,655.60

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Solution

The fourth proportional to 130,402.72, 195,601.92 and 41,655.60 is: 62,482.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,402.72 : 195,601.92 = 41,655.60 : x
  2. Step 2: Convert to fraction form
    130,402.72/195,601.92 = 41,655.60/x
  3. Step 3: Cross multiply
    130,402.72x = 195,601.92 × 41,655.60
  4. Step 4: Simplify right side
    130,402.72x = 8,147,915,338.75
  5. Step 5: Solve for x
    x = 8,147,915,338.75/130,402.72
  6. Step 6: Final answer
    x = 62,482.71

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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.