Home / 515,169.94-772,667.42-136,094.80

Finding the Fourth Proportional to 515,169.94, 772,667.42 and 136,094.80

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Solution

The fourth proportional to 515,169.94, 772,667.42 and 136,094.80 is: 204,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,169.94 : 772,667.42 = 136,094.80 : x
  2. Step 2: Convert to fraction form
    515,169.94/772,667.42 = 136,094.80/x
  3. Step 3: Cross multiply
    515,169.94x = 772,667.42 × 136,094.80
  4. Step 4: Simplify right side
    515,169.94x = 105,156,017,991.42
  5. Step 5: Solve for x
    x = 105,156,017,991.42/515,169.94
  6. Step 6: Final answer
    x = 204,119.09

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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.