Home / 239,557.88-330,604.98-137,615.24

Finding the Fourth Proportional to 239,557.88, 330,604.98 and 137,615.24

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Solution

The fourth proportional to 239,557.88, 330,604.98 and 137,615.24 is: 189,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,557.88 : 330,604.98 = 137,615.24 : x
  2. Step 2: Convert to fraction form
    239,557.88/330,604.98 = 137,615.24/x
  3. Step 3: Cross multiply
    239,557.88x = 330,604.98 × 137,615.24
  4. Step 4: Simplify right side
    239,557.88x = 45,496,283,667.90
  5. Step 5: Solve for x
    x = 45,496,283,667.90/239,557.88
  6. Step 6: Final answer
    x = 189,917.71

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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.