Home / 135,669.03-187,223.20-75,248.90

Finding the Fourth Proportional to 135,669.03, 187,223.20 and 75,248.90

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Solution

The fourth proportional to 135,669.03, 187,223.20 and 75,248.90 is: 103,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,669.03 : 187,223.20 = 75,248.90 : x
  2. Step 2: Convert to fraction form
    135,669.03/187,223.20 = 75,248.90/x
  3. Step 3: Cross multiply
    135,669.03x = 187,223.20 × 75,248.90
  4. Step 4: Simplify right side
    135,669.03x = 14,088,339,432.33
  5. Step 5: Solve for x
    x = 14,088,339,432.33/135,669.03
  6. Step 6: Final answer
    x = 103,843.45

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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.