Home / 83,816.04-125,518.41-54,143.94

Finding the Fourth Proportional to 83,816.04, 125,518.41 and 54,143.94

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Solution

The fourth proportional to 83,816.04, 125,518.41 and 54,143.94 is: 81,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,816.04 : 125,518.41 = 54,143.94 : x
  2. Step 2: Convert to fraction form
    83,816.04/125,518.41 = 54,143.94/x
  3. Step 3: Cross multiply
    83,816.04x = 125,518.41 × 54,143.94
  4. Step 4: Simplify right side
    83,816.04x = 6,796,061,259.94
  5. Step 5: Solve for x
    x = 6,796,061,259.94/83,816.04
  6. Step 6: Final answer
    x = 81,083.06

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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.