Home / 141,569.32-212,120.58-82,238.44

Finding the Fourth Proportional to 141,569.32, 212,120.58 and 82,238.44

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Solution

The fourth proportional to 141,569.32, 212,120.58 and 82,238.44 is: 123,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,569.32 : 212,120.58 = 82,238.44 : x
  2. Step 2: Convert to fraction form
    141,569.32/212,120.58 = 82,238.44/x
  3. Step 3: Cross multiply
    141,569.32x = 212,120.58 × 82,238.44
  4. Step 4: Simplify right side
    141,569.32x = 17,444,465,591.10
  5. Step 5: Solve for x
    x = 17,444,465,591.10/141,569.32
  6. Step 6: Final answer
    x = 123,222.08

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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.