Home / 239,241.23-330,200.72-137,335.59

Finding the Fourth Proportional to 239,241.23, 330,200.72 and 137,335.59

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Solution

The fourth proportional to 239,241.23, 330,200.72 and 137,335.59 is: 189,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,241.23 : 330,200.72 = 137,335.59 : x
  2. Step 2: Convert to fraction form
    239,241.23/330,200.72 = 137,335.59/x
  3. Step 3: Cross multiply
    239,241.23x = 330,200.72 × 137,335.59
  4. Step 4: Simplify right side
    239,241.23x = 45,348,310,699.62
  5. Step 5: Solve for x
    x = 45,348,310,699.62/239,241.23
  6. Step 6: Final answer
    x = 189,550.57

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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.