Home / 193,099.80-290,427.30-172,882.20

Finding the Fourth Proportional to 193,099.80, 290,427.30 and 172,882.20

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Solution

The fourth proportional to 193,099.80, 290,427.30 and 172,882.20 is: 260,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,099.80 : 290,427.30 = 172,882.20 : x
  2. Step 2: Convert to fraction form
    193,099.80/290,427.30 = 172,882.20/x
  3. Step 3: Cross multiply
    193,099.80x = 290,427.30 × 172,882.20
  4. Step 4: Simplify right side
    193,099.80x = 50,209,710,564.06
  5. Step 5: Solve for x
    x = 50,209,710,564.06/193,099.80
  6. Step 6: Final answer
    x = 260,019.49

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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.