Home / 121,147.44-181,682.34-40,079.40

Finding the Fourth Proportional to 121,147.44, 181,682.34 and 40,079.40

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Solution

The fourth proportional to 121,147.44, 181,682.34 and 40,079.40 is: 60,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,147.44 : 181,682.34 = 40,079.40 : x
  2. Step 2: Convert to fraction form
    121,147.44/181,682.34 = 40,079.40/x
  3. Step 3: Cross multiply
    121,147.44x = 181,682.34 × 40,079.40
  4. Step 4: Simplify right side
    121,147.44x = 7,281,719,177.80
  5. Step 5: Solve for x
    x = 7,281,719,177.80/121,147.44
  6. Step 6: Final answer
    x = 60,106.26

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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.