Home / 141,830.88-212,676.12-82,681.44

Finding the Fourth Proportional to 141,830.88, 212,676.12 and 82,681.44

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Solution

The fourth proportional to 141,830.88, 212,676.12 and 82,681.44 is: 123,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,830.88 : 212,676.12 = 82,681.44 : x
  2. Step 2: Convert to fraction form
    141,830.88/212,676.12 = 82,681.44/x
  3. Step 3: Cross multiply
    141,830.88x = 212,676.12 × 82,681.44
  4. Step 4: Simplify right side
    141,830.88x = 17,584,367,855.21
  5. Step 5: Solve for x
    x = 17,584,367,855.21/141,830.88
  6. Step 6: Final answer
    x = 123,981.24

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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.