Home / 104,336.82-143,962.65-61,909.14

Finding the Fourth Proportional to 104,336.82, 143,962.65 and 61,909.14

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Solution

The fourth proportional to 104,336.82, 143,962.65 and 61,909.14 is: 85,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,336.82 : 143,962.65 = 61,909.14 : x
  2. Step 2: Convert to fraction form
    104,336.82/143,962.65 = 61,909.14/x
  3. Step 3: Cross multiply
    104,336.82x = 143,962.65 × 61,909.14
  4. Step 4: Simplify right side
    104,336.82x = 8,912,603,853.62
  5. Step 5: Solve for x
    x = 8,912,603,853.62/104,336.82
  6. Step 6: Final answer
    x = 85,421.46

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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.