Home / 125,551.82-188,279.54-53,459.06

Finding the Fourth Proportional to 125,551.82, 188,279.54 and 53,459.06

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Solution

The fourth proportional to 125,551.82, 188,279.54 and 53,459.06 is: 80,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,551.82 : 188,279.54 = 53,459.06 : x
  2. Step 2: Convert to fraction form
    125,551.82/188,279.54 = 53,459.06/x
  3. Step 3: Cross multiply
    125,551.82x = 188,279.54 × 53,459.06
  4. Step 4: Simplify right side
    125,551.82x = 10,065,246,217.41
  5. Step 5: Solve for x
    x = 10,065,246,217.41/125,551.82
  6. Step 6: Final answer
    x = 80,168.06

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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.