Home / 239,811.50-330,940.65-132,381.27

Finding the Fourth Proportional to 239,811.50, 330,940.65 and 132,381.27

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Solution

The fourth proportional to 239,811.50, 330,940.65 and 132,381.27 is: 182,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,811.50 : 330,940.65 = 132,381.27 : x
  2. Step 2: Convert to fraction form
    239,811.50/330,940.65 = 132,381.27/x
  3. Step 3: Cross multiply
    239,811.50x = 330,940.65 × 132,381.27
  4. Step 4: Simplify right side
    239,811.50x = 43,810,343,541.63
  5. Step 5: Solve for x
    x = 43,810,343,541.63/239,811.50
  6. Step 6: Final answer
    x = 182,686.59

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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.