Home / 190,040.08-284,967.84-71,720.62

Finding the Fourth Proportional to 190,040.08, 284,967.84 and 71,720.62

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Solution

The fourth proportional to 190,040.08, 284,967.84 and 71,720.62 is: 107,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,040.08 : 284,967.84 = 71,720.62 : x
  2. Step 2: Convert to fraction form
    190,040.08/284,967.84 = 71,720.62/x
  3. Step 3: Cross multiply
    190,040.08x = 284,967.84 × 71,720.62
  4. Step 4: Simplify right side
    190,040.08x = 20,438,070,164.86
  5. Step 5: Solve for x
    x = 20,438,070,164.86/190,040.08
  6. Step 6: Final answer
    x = 107,546.10

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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.