Home / 121,089.55-181,626.94-45,173.47

Finding the Fourth Proportional to 121,089.55, 181,626.94 and 45,173.47

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Solution

The fourth proportional to 121,089.55, 181,626.94 and 45,173.47 is: 67,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,089.55 : 181,626.94 = 45,173.47 : x
  2. Step 2: Convert to fraction form
    121,089.55/181,626.94 = 45,173.47/x
  3. Step 3: Cross multiply
    121,089.55x = 181,626.94 × 45,173.47
  4. Step 4: Simplify right side
    121,089.55x = 8,204,719,125.28
  5. Step 5: Solve for x
    x = 8,204,719,125.28/121,089.55
  6. Step 6: Final answer
    x = 67,757.45

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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.