Home / 135,808.30-187,302.40-101,892.05

Finding the Fourth Proportional to 135,808.30, 187,302.40 and 101,892.05

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Solution

The fourth proportional to 135,808.30, 187,302.40 and 101,892.05 is: 140,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,808.30 : 187,302.40 = 101,892.05 : x
  2. Step 2: Convert to fraction form
    135,808.30/187,302.40 = 101,892.05/x
  3. Step 3: Cross multiply
    135,808.30x = 187,302.40 × 101,892.05
  4. Step 4: Simplify right side
    135,808.30x = 19,084,625,505.92
  5. Step 5: Solve for x
    x = 19,084,625,505.92/135,808.30
  6. Step 6: Final answer
    x = 140,526.21

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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.