Home / 143,425.32-215,137.84-43,585.24

Finding the Fourth Proportional to 143,425.32, 215,137.84 and 43,585.24

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Solution

The fourth proportional to 143,425.32, 215,137.84 and 43,585.24 is: 65,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,425.32 : 215,137.84 = 43,585.24 : x
  2. Step 2: Convert to fraction form
    143,425.32/215,137.84 = 43,585.24/x
  3. Step 3: Cross multiply
    143,425.32x = 215,137.84 × 43,585.24
  4. Step 4: Simplify right side
    143,425.32x = 9,376,834,389.48
  5. Step 5: Solve for x
    x = 9,376,834,389.48/143,425.32
  6. Step 6: Final answer
    x = 65,377.82

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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.