Home / 121,141.26-181,599.57-111,175.02

Finding the Fourth Proportional to 121,141.26, 181,599.57 and 111,175.02

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Solution

The fourth proportional to 121,141.26, 181,599.57 and 111,175.02 is: 166,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,141.26 : 181,599.57 = 111,175.02 : x
  2. Step 2: Convert to fraction form
    121,141.26/181,599.57 = 111,175.02/x
  3. Step 3: Cross multiply
    121,141.26x = 181,599.57 × 111,175.02
  4. Step 4: Simplify right side
    121,141.26x = 20,189,335,826.74
  5. Step 5: Solve for x
    x = 20,189,335,826.74/121,141.26
  6. Step 6: Final answer
    x = 166,659.45

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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.