Home / 143,523.27-215,331.08-43,702.74

Finding the Fourth Proportional to 143,523.27, 215,331.08 and 43,702.74

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Solution

The fourth proportional to 143,523.27, 215,331.08 and 43,702.74 is: 65,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,523.27 : 215,331.08 = 43,702.74 : x
  2. Step 2: Convert to fraction form
    143,523.27/215,331.08 = 43,702.74/x
  3. Step 3: Cross multiply
    143,523.27x = 215,331.08 × 43,702.74
  4. Step 4: Simplify right side
    143,523.27x = 9,410,557,984.65
  5. Step 5: Solve for x
    x = 9,410,557,984.65/143,523.27
  6. Step 6: Final answer
    x = 65,568.17

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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.