Home / 141,570.32-212,122.08-82,239.44

Finding the Fourth Proportional to 141,570.32, 212,122.08 and 82,239.44

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Solution

The fourth proportional to 141,570.32, 212,122.08 and 82,239.44 is: 123,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,570.32 : 212,122.08 = 82,239.44 : x
  2. Step 2: Convert to fraction form
    141,570.32/212,122.08 = 82,239.44/x
  3. Step 3: Cross multiply
    141,570.32x = 212,122.08 × 82,239.44
  4. Step 4: Simplify right side
    141,570.32x = 17,444,801,070.84
  5. Step 5: Solve for x
    x = 17,444,801,070.84/141,570.32
  6. Step 6: Final answer
    x = 123,223.58

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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.