Home / 143,646.26-215,436.99-54,868.10

Finding the Fourth Proportional to 143,646.26, 215,436.99 and 54,868.10

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Solution

The fourth proportional to 143,646.26, 215,436.99 and 54,868.10 is: 82,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,646.26 : 215,436.99 = 54,868.10 : x
  2. Step 2: Convert to fraction form
    143,646.26/215,436.99 = 54,868.10/x
  3. Step 3: Cross multiply
    143,646.26x = 215,436.99 × 54,868.10
  4. Step 4: Simplify right side
    143,646.26x = 11,820,618,311.02
  5. Step 5: Solve for x
    x = 11,820,618,311.02/143,646.26
  6. Step 6: Final answer
    x = 82,289.77

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1.5x scale

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.