Home / 130,645.47-195,921.14-45,233.13

Finding the Fourth Proportional to 130,645.47, 195,921.14 and 45,233.13

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Solution

The fourth proportional to 130,645.47, 195,921.14 and 45,233.13 is: 67,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,645.47 : 195,921.14 = 45,233.13 : x
  2. Step 2: Convert to fraction form
    130,645.47/195,921.14 = 45,233.13/x
  3. Step 3: Cross multiply
    130,645.47x = 195,921.14 × 45,233.13
  4. Step 4: Simplify right side
    130,645.47x = 8,862,126,169.20
  5. Step 5: Solve for x
    x = 8,862,126,169.20/130,645.47
  6. Step 6: Final answer
    x = 67,833.40

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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.