Home / 190,127.80-285,176.85-49,882.78

Finding the Fourth Proportional to 190,127.80, 285,176.85 and 49,882.78

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Solution

The fourth proportional to 190,127.80, 285,176.85 and 49,882.78 is: 74,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,127.80 : 285,176.85 = 49,882.78 : x
  2. Step 2: Convert to fraction form
    190,127.80/285,176.85 = 49,882.78/x
  3. Step 3: Cross multiply
    190,127.80x = 285,176.85 × 49,882.78
  4. Step 4: Simplify right side
    190,127.80x = 14,225,414,069.64
  5. Step 5: Solve for x
    x = 14,225,414,069.64/190,127.80
  6. Step 6: Final answer
    x = 74,820.27

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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.