Home / 143,525.66-198,060.53-79,862.09

Finding the Fourth Proportional to 143,525.66, 198,060.53 and 79,862.09

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Solution

The fourth proportional to 143,525.66, 198,060.53 and 79,862.09 is: 110,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,525.66 : 198,060.53 = 79,862.09 : x
  2. Step 2: Convert to fraction form
    143,525.66/198,060.53 = 79,862.09/x
  3. Step 3: Cross multiply
    143,525.66x = 198,060.53 × 79,862.09
  4. Step 4: Simplify right side
    143,525.66x = 15,817,526,482.69
  5. Step 5: Solve for x
    x = 15,817,526,482.69/143,525.66
  6. Step 6: Final answer
    x = 110,206.96

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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.