Home / 239,810.41-330,940.65-132,378.13

Finding the Fourth Proportional to 239,810.41, 330,940.65 and 132,378.13

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Solution

The fourth proportional to 239,810.41, 330,940.65 and 132,378.13 is: 182,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,810.41 : 330,940.65 = 132,378.13 : x
  2. Step 2: Convert to fraction form
    239,810.41/330,940.65 = 132,378.13/x
  3. Step 3: Cross multiply
    239,810.41x = 330,940.65 × 132,378.13
  4. Step 4: Simplify right side
    239,810.41x = 43,809,304,387.98
  5. Step 5: Solve for x
    x = 43,809,304,387.98/239,810.41
  6. Step 6: Final answer
    x = 182,683.08

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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.