Home / 135,822.46-187,436.63-75,394.30

Finding the Fourth Proportional to 135,822.46, 187,436.63 and 75,394.30

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Solution

The fourth proportional to 135,822.46, 187,436.63 and 75,394.30 is: 104,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,822.46 : 187,436.63 = 75,394.30 : x
  2. Step 2: Convert to fraction form
    135,822.46/187,436.63 = 75,394.30/x
  3. Step 3: Cross multiply
    135,822.46x = 187,436.63 × 75,394.30
  4. Step 4: Simplify right side
    135,822.46x = 14,131,653,513.21
  5. Step 5: Solve for x
    x = 14,131,653,513.21/135,822.46
  6. Step 6: Final answer
    x = 104,045.04

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1.5x scale

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.