Home / 121,309.44-181,983.96-38,184

Finding the Fourth Proportional to 121,309.44, 181,983.96 and 38,184

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Solution

The fourth proportional to 121,309.44, 181,983.96 and 38,184 is: 57,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,309.44 : 181,983.96 = 38,184 : x
  2. Step 2: Convert to fraction form
    121,309.44/181,983.96 = 38,184/x
  3. Step 3: Cross multiply
    121,309.44x = 181,983.96 × 38,184
  4. Step 4: Simplify right side
    121,309.44x = 6,948,875,528.64
  5. Step 5: Solve for x
    x = 6,948,875,528.64/121,309.44
  6. Step 6: Final answer
    x = 57,282.23

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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.