Home / 193,401.10-290,101.65-122,542.30

Finding the Fourth Proportional to 193,401.10, 290,101.65 and 122,542.30

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Solution

The fourth proportional to 193,401.10, 290,101.65 and 122,542.30 is: 183,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,401.10 : 290,101.65 = 122,542.30 : x
  2. Step 2: Convert to fraction form
    193,401.10/290,101.65 = 122,542.30/x
  3. Step 3: Cross multiply
    193,401.10x = 290,101.65 × 122,542.30
  4. Step 4: Simplify right side
    193,401.10x = 35,549,723,424.80
  5. Step 5: Solve for x
    x = 35,549,723,424.80/193,401.10
  6. Step 6: Final answer
    x = 183,813.45

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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.