Home / 239,642.19-330,689.16-134,881.43

Finding the Fourth Proportional to 239,642.19, 330,689.16 and 134,881.43

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Solution

The fourth proportional to 239,642.19, 330,689.16 and 134,881.43 is: 186,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,642.19 : 330,689.16 = 134,881.43 : x
  2. Step 2: Convert to fraction form
    239,642.19/330,689.16 = 134,881.43/x
  3. Step 3: Cross multiply
    239,642.19x = 330,689.16 × 134,881.43
  4. Step 4: Simplify right side
    239,642.19x = 44,603,825,132.85
  5. Step 5: Solve for x
    x = 44,603,825,132.85/239,642.19
  6. Step 6: Final answer
    x = 186,126.76

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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.