Home / 121,091.43-181,653.02-40,011.52

Finding the Fourth Proportional to 121,091.43, 181,653.02 and 40,011.52

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Solution

The fourth proportional to 121,091.43, 181,653.02 and 40,011.52 is: 60,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,091.43 : 181,653.02 = 40,011.52 : x
  2. Step 2: Convert to fraction form
    121,091.43/181,653.02 = 40,011.52/x
  3. Step 3: Cross multiply
    121,091.43x = 181,653.02 × 40,011.52
  4. Step 4: Simplify right side
    121,091.43x = 7,268,213,442.79
  5. Step 5: Solve for x
    x = 7,268,213,442.79/121,091.43
  6. Step 6: Final answer
    x = 60,022.53

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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.