Home / 454,542.02-681,747.38-138,914.18

Finding the Fourth Proportional to 454,542.02, 681,747.38 and 138,914.18

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Solution

The fourth proportional to 454,542.02, 681,747.38 and 138,914.18 is: 208,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,542.02 : 681,747.38 = 138,914.18 : x
  2. Step 2: Convert to fraction form
    454,542.02/681,747.38 = 138,914.18/x
  3. Step 3: Cross multiply
    454,542.02x = 681,747.38 × 138,914.18
  4. Step 4: Simplify right side
    454,542.02x = 94,704,378,259.85
  5. Step 5: Solve for x
    x = 94,704,378,259.85/454,542.02
  6. Step 6: Final answer
    x = 208,351.21

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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.