Home / 239,487.45-330,495-132,061.29

Finding the Fourth Proportional to 239,487.45, 330,495 and 132,061.29

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Solution

The fourth proportional to 239,487.45, 330,495 and 132,061.29 is: 182,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,487.45 : 330,495 = 132,061.29 : x
  2. Step 2: Convert to fraction form
    239,487.45/330,495 = 132,061.29/x
  3. Step 3: Cross multiply
    239,487.45x = 330,495 × 132,061.29
  4. Step 4: Simplify right side
    239,487.45x = 43,645,596,038.55
  5. Step 5: Solve for x
    x = 43,645,596,038.55/239,487.45
  6. Step 6: Final answer
    x = 182,245.86

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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.