Home / 239,257.39-330,182.68-137,301.50

Finding the Fourth Proportional to 239,257.39, 330,182.68 and 137,301.50

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Solution

The fourth proportional to 239,257.39, 330,182.68 and 137,301.50 is: 189,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,257.39 : 330,182.68 = 137,301.50 : x
  2. Step 2: Convert to fraction form
    239,257.39/330,182.68 = 137,301.50/x
  3. Step 3: Cross multiply
    239,257.39x = 330,182.68 × 137,301.50
  4. Step 4: Simplify right side
    239,257.39x = 45,334,577,720.22
  5. Step 5: Solve for x
    x = 45,334,577,720.22/239,257.39
  6. Step 6: Final answer
    x = 189,480.37

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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.