Home / 121,086.93-181,646.27-40,007.02

Finding the Fourth Proportional to 121,086.93, 181,646.27 and 40,007.02

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Solution

The fourth proportional to 121,086.93, 181,646.27 and 40,007.02 is: 60,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,086.93 : 181,646.27 = 40,007.02 : x
  2. Step 2: Convert to fraction form
    121,086.93/181,646.27 = 40,007.02/x
  3. Step 3: Cross multiply
    121,086.93x = 181,646.27 × 40,007.02
  4. Step 4: Simplify right side
    121,086.93x = 7,267,125,956.82
  5. Step 5: Solve for x
    x = 7,267,125,956.82/121,086.93
  6. Step 6: Final answer
    x = 60,015.78

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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.