Home / 345,927.14-518,840.53-132,748.71

Finding the Fourth Proportional to 345,927.14, 518,840.53 and 132,748.71

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Solution

The fourth proportional to 345,927.14, 518,840.53 and 132,748.71 is: 199,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,927.14 : 518,840.53 = 132,748.71 : x
  2. Step 2: Convert to fraction form
    345,927.14/518,840.53 = 132,748.71/x
  3. Step 3: Cross multiply
    345,927.14x = 518,840.53 × 132,748.71
  4. Step 4: Simplify right side
    345,927.14x = 68,875,410,389.47
  5. Step 5: Solve for x
    x = 68,875,410,389.47/345,927.14
  6. Step 6: Final answer
    x = 199,103.81

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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.