Home / 105,067.53-145,151.24-68,855.00

Finding the Fourth Proportional to 105,067.53, 145,151.24 and 68,855.00

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Solution

The fourth proportional to 105,067.53, 145,151.24 and 68,855.00 is: 95,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,067.53 : 145,151.24 = 68,855.00 : x
  2. Step 2: Convert to fraction form
    105,067.53/145,151.24 = 68,855.00/x
  3. Step 3: Cross multiply
    105,067.53x = 145,151.24 × 68,855.00
  4. Step 4: Simplify right side
    105,067.53x = 9,994,387,560.17
  5. Step 5: Solve for x
    x = 9,994,387,560.17/105,067.53
  6. Step 6: Final answer
    x = 95,123.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.