Home / 84,241.76-126,296.58-42,119.96

Finding the Fourth Proportional to 84,241.76, 126,296.58 and 42,119.96

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Solution

The fourth proportional to 84,241.76, 126,296.58 and 42,119.96 is: 63,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,241.76 : 126,296.58 = 42,119.96 : x
  2. Step 2: Convert to fraction form
    84,241.76/126,296.58 = 42,119.96/x
  3. Step 3: Cross multiply
    84,241.76x = 126,296.58 × 42,119.96
  4. Step 4: Simplify right side
    84,241.76x = 5,319,606,897.74
  5. Step 5: Solve for x
    x = 5,319,606,897.74/84,241.76
  6. Step 6: Final answer
    x = 63,146.91

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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.