Home / 208,456.02-313,102.49-124,380.27

Finding the Fourth Proportional to 208,456.02, 313,102.49 and 124,380.27

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Solution

The fourth proportional to 208,456.02, 313,102.49 and 124,380.27 is: 186,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,456.02 : 313,102.49 = 124,380.27 : x
  2. Step 2: Convert to fraction form
    208,456.02/313,102.49 = 124,380.27/x
  3. Step 3: Cross multiply
    208,456.02x = 313,102.49 × 124,380.27
  4. Step 4: Simplify right side
    208,456.02x = 38,943,771,621.97
  5. Step 5: Solve for x
    x = 38,943,771,621.97/208,456.02
  6. Step 6: Final answer
    x = 186,820.09

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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.