Home / 135,919.91-187,569.49-75,496.18

Finding the Fourth Proportional to 135,919.91, 187,569.49 and 75,496.18

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Solution

The fourth proportional to 135,919.91, 187,569.49 and 75,496.18 is: 104,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,919.91 : 187,569.49 = 75,496.18 : x
  2. Step 2: Convert to fraction form
    135,919.91/187,569.49 = 75,496.18/x
  3. Step 3: Cross multiply
    135,919.91x = 187,569.49 × 75,496.18
  4. Step 4: Simplify right side
    135,919.91x = 14,160,779,133.14
  5. Step 5: Solve for x
    x = 14,160,779,133.14/135,919.91
  6. Step 6: Final answer
    x = 104,184.73

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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.