Home / 193,548.72-290,341.40-75,229.20

Finding the Fourth Proportional to 193,548.72, 290,341.40 and 75,229.20

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Solution

The fourth proportional to 193,548.72, 290,341.40 and 75,229.20 is: 112,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,548.72 : 290,341.40 = 75,229.20 : x
  2. Step 2: Convert to fraction form
    193,548.72/290,341.40 = 75,229.20/x
  3. Step 3: Cross multiply
    193,548.72x = 290,341.40 × 75,229.20
  4. Step 4: Simplify right side
    193,548.72x = 21,842,151,248.88
  5. Step 5: Solve for x
    x = 21,842,151,248.88/193,548.72
  6. Step 6: Final answer
    x = 112,850.92

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1.5x scale

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.