Home / 131,995.50-182,154.60-75,439.68

Finding the Fourth Proportional to 131,995.50, 182,154.60 and 75,439.68

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Solution

The fourth proportional to 131,995.50, 182,154.60 and 75,439.68 is: 104,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,995.50 : 182,154.60 = 75,439.68 : x
  2. Step 2: Convert to fraction form
    131,995.50/182,154.60 = 75,439.68/x
  3. Step 3: Cross multiply
    131,995.50x = 182,154.60 × 75,439.68
  4. Step 4: Simplify right side
    131,995.50x = 13,741,684,734.53
  5. Step 5: Solve for x
    x = 13,741,684,734.53/131,995.50
  6. Step 6: Final answer
    x = 104,107.22

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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.