Home / 131,732.28-181,794.96-80,735.18

Finding the Fourth Proportional to 131,732.28, 181,794.96 and 80,735.18

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Solution

The fourth proportional to 131,732.28, 181,794.96 and 80,735.18 is: 111,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,732.28 : 181,794.96 = 80,735.18 : x
  2. Step 2: Convert to fraction form
    131,732.28/181,794.96 = 80,735.18/x
  3. Step 3: Cross multiply
    131,732.28x = 181,794.96 × 80,735.18
  4. Step 4: Simplify right side
    131,732.28x = 14,677,247,909.72
  5. Step 5: Solve for x
    x = 14,677,247,909.72/131,732.28
  6. Step 6: Final answer
    x = 111,417.25

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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.