Home / 141,814.20-212,894.10-140,777.40

Finding the Fourth Proportional to 141,814.20, 212,894.10 and 140,777.40

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Solution

The fourth proportional to 141,814.20, 212,894.10 and 140,777.40 is: 211,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,814.20 : 212,894.10 = 140,777.40 : x
  2. Step 2: Convert to fraction form
    141,814.20/212,894.10 = 140,777.40/x
  3. Step 3: Cross multiply
    141,814.20x = 212,894.10 × 140,777.40
  4. Step 4: Simplify right side
    141,814.20x = 29,970,677,873.34
  5. Step 5: Solve for x
    x = 29,970,677,873.34/141,814.20
  6. Step 6: Final answer
    x = 211,337.64

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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.