Home / 135,848.03-187,470.97-84,890.39

Finding the Fourth Proportional to 135,848.03, 187,470.97 and 84,890.39

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Solution

The fourth proportional to 135,848.03, 187,470.97 and 84,890.39 is: 117,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,848.03 : 187,470.97 = 84,890.39 : x
  2. Step 2: Convert to fraction form
    135,848.03/187,470.97 = 84,890.39/x
  3. Step 3: Cross multiply
    135,848.03x = 187,470.97 × 84,890.39
  4. Step 4: Simplify right side
    135,848.03x = 15,914,482,607.40
  5. Step 5: Solve for x
    x = 15,914,482,607.40/135,848.03
  6. Step 6: Final answer
    x = 117,149.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.