Home / 187,801.25-281,642.40-61,412.30

Finding the Fourth Proportional to 187,801.25, 281,642.40 and 61,412.30

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Solution

The fourth proportional to 187,801.25, 281,642.40 and 61,412.30 is: 92,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,801.25 : 281,642.40 = 61,412.30 : x
  2. Step 2: Convert to fraction form
    187,801.25/281,642.40 = 61,412.30/x
  3. Step 3: Cross multiply
    187,801.25x = 281,642.40 × 61,412.30
  4. Step 4: Simplify right side
    187,801.25x = 17,296,306,153.31
  5. Step 5: Solve for x
    x = 17,296,306,153.31/187,801.25
  6. Step 6: Final answer
    x = 92,099.00

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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.