Home / 213,905.84-295,060.92-137,399.18

Finding the Fourth Proportional to 213,905.84, 295,060.92 and 137,399.18

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Solution

The fourth proportional to 213,905.84, 295,060.92 and 137,399.18 is: 189,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,905.84 : 295,060.92 = 137,399.18 : x
  2. Step 2: Convert to fraction form
    213,905.84/295,060.92 = 137,399.18/x
  3. Step 3: Cross multiply
    213,905.84x = 295,060.92 × 137,399.18
  4. Step 4: Simplify right side
    213,905.84x = 40,541,128,458.05
  5. Step 5: Solve for x
    x = 40,541,128,458.05/213,905.84
  6. Step 6: Final answer
    x = 189,527.92

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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.