Home / 125,833.51-188,815.92-51,008.95

Finding the Fourth Proportional to 125,833.51, 188,815.92 and 51,008.95

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Solution

The fourth proportional to 125,833.51, 188,815.92 and 51,008.95 is: 76,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,833.51 : 188,815.92 = 51,008.95 : x
  2. Step 2: Convert to fraction form
    125,833.51/188,815.92 = 51,008.95/x
  3. Step 3: Cross multiply
    125,833.51x = 188,815.92 × 51,008.95
  4. Step 4: Simplify right side
    125,833.51x = 9,631,301,822.48
  5. Step 5: Solve for x
    x = 9,631,301,822.48/125,833.51
  6. Step 6: Final answer
    x = 76,540.04

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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.