Home / 141,692.50-195,532.68-78,030.82

Finding the Fourth Proportional to 141,692.50, 195,532.68 and 78,030.82

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Solution

The fourth proportional to 141,692.50, 195,532.68 and 78,030.82 is: 107,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,692.50 : 195,532.68 = 78,030.82 : x
  2. Step 2: Convert to fraction form
    141,692.50/195,532.68 = 78,030.82/x
  3. Step 3: Cross multiply
    141,692.50x = 195,532.68 × 78,030.82
  4. Step 4: Simplify right side
    141,692.50x = 15,257,575,357.20
  5. Step 5: Solve for x
    x = 15,257,575,357.20/141,692.50
  6. Step 6: Final answer
    x = 107,680.90

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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.