Home / 130,419.93-179,986.25-73,055.90

Finding the Fourth Proportional to 130,419.93, 179,986.25 and 73,055.90

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Solution

The fourth proportional to 130,419.93, 179,986.25 and 73,055.90 is: 100,820.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,419.93 : 179,986.25 = 73,055.90 : x
  2. Step 2: Convert to fraction form
    130,419.93/179,986.25 = 73,055.90/x
  3. Step 3: Cross multiply
    130,419.93x = 179,986.25 × 73,055.90
  4. Step 4: Simplify right side
    130,419.93x = 13,149,057,481.38
  5. Step 5: Solve for x
    x = 13,149,057,481.38/130,419.93
  6. Step 6: Final answer
    x = 100,820.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.