Home / 121,387.16-182,102.66-37,145.81

Finding the Fourth Proportional to 121,387.16, 182,102.66 and 37,145.81

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Solution

The fourth proportional to 121,387.16, 182,102.66 and 37,145.81 is: 55,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,387.16 : 182,102.66 = 37,145.81 : x
  2. Step 2: Convert to fraction form
    121,387.16/182,102.66 = 37,145.81/x
  3. Step 3: Cross multiply
    121,387.16x = 182,102.66 × 37,145.81
  4. Step 4: Simplify right side
    121,387.16x = 6,764,350,808.85
  5. Step 5: Solve for x
    x = 6,764,350,808.85/121,387.16
  6. Step 6: Final answer
    x = 55,725.42

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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.