Home / 239,501.71-330,505.31-132,071.72

Finding the Fourth Proportional to 239,501.71, 330,505.31 and 132,071.72

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Solution

The fourth proportional to 239,501.71, 330,505.31 and 132,071.72 is: 182,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,501.71 : 330,505.31 = 132,071.72 : x
  2. Step 2: Convert to fraction form
    239,501.71/330,505.31 = 132,071.72/x
  3. Step 3: Cross multiply
    239,501.71x = 330,505.31 × 132,071.72
  4. Step 4: Simplify right side
    239,501.71x = 43,650,403,438.49
  5. Step 5: Solve for x
    x = 43,650,403,438.49/239,501.71
  6. Step 6: Final answer
    x = 182,255.08

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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.