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Finding the Fourth Proportional to 125,801.84, 188,721.38 and 41,570.89

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Solution

The fourth proportional to 125,801.84, 188,721.38 and 41,570.89 is: 62,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,801.84 : 188,721.38 = 41,570.89 : x
  2. Step 2: Convert to fraction form
    125,801.84/188,721.38 = 41,570.89/x
  3. Step 3: Cross multiply
    125,801.84x = 188,721.38 × 41,570.89
  4. Step 4: Simplify right side
    125,801.84x = 7,845,315,360.75
  5. Step 5: Solve for x
    x = 7,845,315,360.75/125,801.84
  6. Step 6: Final answer
    x = 62,362.48

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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.