Home / 130,725.47-195,593.37-77,446.05

Finding the Fourth Proportional to 130,725.47, 195,593.37 and 77,446.05

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Solution

The fourth proportional to 130,725.47, 195,593.37 and 77,446.05 is: 115,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,725.47 : 195,593.37 = 77,446.05 : x
  2. Step 2: Convert to fraction form
    130,725.47/195,593.37 = 77,446.05/x
  3. Step 3: Cross multiply
    130,725.47x = 195,593.37 × 77,446.05
  4. Step 4: Simplify right side
    130,725.47x = 15,147,933,912.69
  5. Step 5: Solve for x
    x = 15,147,933,912.69/130,725.47
  6. Step 6: Final answer
    x = 115,875.92

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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.