Home / 121,629.40-182,442.27-37,390.71

Finding the Fourth Proportional to 121,629.40, 182,442.27 and 37,390.71

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Solution

The fourth proportional to 121,629.40, 182,442.27 and 37,390.71 is: 56,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,629.40 : 182,442.27 = 37,390.71 : x
  2. Step 2: Convert to fraction form
    121,629.40/182,442.27 = 37,390.71/x
  3. Step 3: Cross multiply
    121,629.40x = 182,442.27 × 37,390.71
  4. Step 4: Simplify right side
    121,629.40x = 6,821,646,833.69
  5. Step 5: Solve for x
    x = 6,821,646,833.69/121,629.40
  6. Step 6: Final answer
    x = 56,085.51

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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.