Home / 95,412.84-143,145.18-67,885.80

Finding the Fourth Proportional to 95,412.84, 143,145.18 and 67,885.80

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Solution

The fourth proportional to 95,412.84, 143,145.18 and 67,885.80 is: 101,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,412.84 : 143,145.18 = 67,885.80 : x
  2. Step 2: Convert to fraction form
    95,412.84/143,145.18 = 67,885.80/x
  3. Step 3: Cross multiply
    95,412.84x = 143,145.18 × 67,885.80
  4. Step 4: Simplify right side
    95,412.84x = 9,717,525,060.44
  5. Step 5: Solve for x
    x = 9,717,525,060.44/95,412.84
  6. Step 6: Final answer
    x = 101,847.14

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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.