Home / 121,389.88-182,111.55-37,150.69

Finding the Fourth Proportional to 121,389.88, 182,111.55 and 37,150.69

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Solution

The fourth proportional to 121,389.88, 182,111.55 and 37,150.69 is: 55,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,389.88 : 182,111.55 = 37,150.69 : x
  2. Step 2: Convert to fraction form
    121,389.88/182,111.55 = 37,150.69/x
  3. Step 3: Cross multiply
    121,389.88x = 182,111.55 × 37,150.69
  4. Step 4: Simplify right side
    121,389.88x = 6,765,569,739.47
  5. Step 5: Solve for x
    x = 6,765,569,739.47/121,389.88
  6. Step 6: Final answer
    x = 55,734.22

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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.