Home / 121,245.04-181,727.24-57,243.77

Finding the Fourth Proportional to 121,245.04, 181,727.24 and 57,243.77

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Solution

The fourth proportional to 121,245.04, 181,727.24 and 57,243.77 is: 85,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,245.04 : 181,727.24 = 57,243.77 : x
  2. Step 2: Convert to fraction form
    121,245.04/181,727.24 = 57,243.77/x
  3. Step 3: Cross multiply
    121,245.04x = 181,727.24 × 57,243.77
  4. Step 4: Simplify right side
    121,245.04x = 10,402,751,469.32
  5. Step 5: Solve for x
    x = 10,402,751,469.32/121,245.04
  6. Step 6: Final answer
    x = 85,799.40

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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.