Home / 239,426.71-330,407.67-131,996.41

Finding the Fourth Proportional to 239,426.71, 330,407.67 and 131,996.41

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Solution

The fourth proportional to 239,426.71, 330,407.67 and 131,996.41 is: 182,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,426.71 : 330,407.67 = 131,996.41 : x
  2. Step 2: Convert to fraction form
    239,426.71/330,407.67 = 131,996.41/x
  3. Step 3: Cross multiply
    239,426.71x = 330,407.67 × 131,996.41
  4. Step 4: Simplify right side
    239,426.71x = 43,612,626,276.46
  5. Step 5: Solve for x
    x = 43,612,626,276.46/239,426.71
  6. Step 6: Final answer
    x = 182,154.39

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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.