Home / 125,918.44-188,943.30-55,781.35

Finding the Fourth Proportional to 125,918.44, 188,943.30 and 55,781.35

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Solution

The fourth proportional to 125,918.44, 188,943.30 and 55,781.35 is: 83,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,918.44 : 188,943.30 = 55,781.35 : x
  2. Step 2: Convert to fraction form
    125,918.44/188,943.30 = 55,781.35/x
  3. Step 3: Cross multiply
    125,918.44x = 188,943.30 × 55,781.35
  4. Step 4: Simplify right side
    125,918.44x = 10,539,512,347.46
  5. Step 5: Solve for x
    x = 10,539,512,347.46/125,918.44
  6. Step 6: Final answer
    x = 83,701.10

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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.