Home / 141,014.90-211,710.08-81,893

Finding the Fourth Proportional to 141,014.90, 211,710.08 and 81,893

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Solution

The fourth proportional to 141,014.90, 211,710.08 and 81,893 is: 122,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,014.90 : 211,710.08 = 81,893 : x
  2. Step 2: Convert to fraction form
    141,014.90/211,710.08 = 81,893/x
  3. Step 3: Cross multiply
    141,014.90x = 211,710.08 × 81,893
  4. Step 4: Simplify right side
    141,014.90x = 17,337,573,581.44
  5. Step 5: Solve for x
    x = 17,337,573,581.44/141,014.90
  6. Step 6: Final answer
    x = 122,948.52

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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.