Home / 125,837.01-188,821.14-51,012.45

Finding the Fourth Proportional to 125,837.01, 188,821.14 and 51,012.45

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Solution

The fourth proportional to 125,837.01, 188,821.14 and 51,012.45 is: 76,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,837.01 : 188,821.14 = 51,012.45 : x
  2. Step 2: Convert to fraction form
    125,837.01/188,821.14 = 51,012.45/x
  3. Step 3: Cross multiply
    125,837.01x = 188,821.14 × 51,012.45
  4. Step 4: Simplify right side
    125,837.01x = 9,632,228,963.19
  5. Step 5: Solve for x
    x = 9,632,228,963.19/125,837.01
  6. Step 6: Final answer
    x = 76,545.28

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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.