Home / 345,330.03-518,031.05-132,097.53

Finding the Fourth Proportional to 345,330.03, 518,031.05 and 132,097.53

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Solution

The fourth proportional to 345,330.03, 518,031.05 and 132,097.53 is: 198,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,330.03 : 518,031.05 = 132,097.53 : x
  2. Step 2: Convert to fraction form
    345,330.03/518,031.05 = 132,097.53/x
  3. Step 3: Cross multiply
    345,330.03x = 518,031.05 × 132,097.53
  4. Step 4: Simplify right side
    345,330.03x = 68,430,623,450.44
  5. Step 5: Solve for x
    x = 68,430,623,450.44/345,330.03
  6. Step 6: Final answer
    x = 198,160.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.