Home / 217,331.28-300,015.42-136,877.04

Finding the Fourth Proportional to 217,331.28, 300,015.42 and 136,877.04

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Solution

The fourth proportional to 217,331.28, 300,015.42 and 136,877.04 is: 188,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,331.28 : 300,015.42 = 136,877.04 : x
  2. Step 2: Convert to fraction form
    217,331.28/300,015.42 = 136,877.04/x
  3. Step 3: Cross multiply
    217,331.28x = 300,015.42 × 136,877.04
  4. Step 4: Simplify right side
    217,331.28x = 41,065,222,643.96
  5. Step 5: Solve for x
    x = 41,065,222,643.96/217,331.28
  6. Step 6: Final answer
    x = 188,952.20

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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.