Home / 143,535.84-215,304.24-43,696.80

Finding the Fourth Proportional to 143,535.84, 215,304.24 and 43,696.80

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Solution

The fourth proportional to 143,535.84, 215,304.24 and 43,696.80 is: 65,545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,535.84 : 215,304.24 = 43,696.80 : x
  2. Step 2: Convert to fraction form
    143,535.84/215,304.24 = 43,696.80/x
  3. Step 3: Cross multiply
    143,535.84x = 215,304.24 × 43,696.80
  4. Step 4: Simplify right side
    143,535.84x = 9,408,106,314.43
  5. Step 5: Solve for x
    x = 9,408,106,314.43/143,535.84
  6. Step 6: Final answer
    x = 65,545.35

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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.