Home / 95,598.20-143,397.30-86,412.80

Finding the Fourth Proportional to 95,598.20, 143,397.30 and 86,412.80

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Solution

The fourth proportional to 95,598.20, 143,397.30 and 86,412.80 is: 129,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,598.20 : 143,397.30 = 86,412.80 : x
  2. Step 2: Convert to fraction form
    95,598.20/143,397.30 = 86,412.80/x
  3. Step 3: Cross multiply
    95,598.20x = 143,397.30 × 86,412.80
  4. Step 4: Simplify right side
    95,598.20x = 12,391,362,205.44
  5. Step 5: Solve for x
    x = 12,391,362,205.44/95,598.20
  6. Step 6: Final answer
    x = 129,619.20

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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.