Home / 239,304.38-330,242.21-131,878.26

Finding the Fourth Proportional to 239,304.38, 330,242.21 and 131,878.26

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Solution

The fourth proportional to 239,304.38, 330,242.21 and 131,878.26 is: 181,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,304.38 : 330,242.21 = 131,878.26 : x
  2. Step 2: Convert to fraction form
    239,304.38/330,242.21 = 131,878.26/x
  3. Step 3: Cross multiply
    239,304.38x = 330,242.21 × 131,878.26
  4. Step 4: Simplify right side
    239,304.38x = 43,551,767,373.96
  5. Step 5: Solve for x
    x = 43,551,767,373.96/239,304.38
  6. Step 6: Final answer
    x = 181,993.19

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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.