Home / 121,345.20-182,045.45-37,117.25

Finding the Fourth Proportional to 121,345.20, 182,045.45 and 37,117.25

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Solution

The fourth proportional to 121,345.20, 182,045.45 and 37,117.25 is: 55,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,345.20 : 182,045.45 = 37,117.25 : x
  2. Step 2: Convert to fraction form
    121,345.20/182,045.45 = 37,117.25/x
  3. Step 3: Cross multiply
    121,345.20x = 182,045.45 × 37,117.25
  4. Step 4: Simplify right side
    121,345.20x = 6,757,026,748.54
  5. Step 5: Solve for x
    x = 6,757,026,748.54/121,345.20
  6. Step 6: Final answer
    x = 55,684.33

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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.