Home / 140,814.30-211,217.76-47,320.02

Finding the Fourth Proportional to 140,814.30, 211,217.76 and 47,320.02

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Solution

The fourth proportional to 140,814.30, 211,217.76 and 47,320.02 is: 70,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,814.30 : 211,217.76 = 47,320.02 : x
  2. Step 2: Convert to fraction form
    140,814.30/211,217.76 = 47,320.02/x
  3. Step 3: Cross multiply
    140,814.30x = 211,217.76 × 47,320.02
  4. Step 4: Simplify right side
    140,814.30x = 9,994,828,627.56
  5. Step 5: Solve for x
    x = 9,994,828,627.56/140,814.30
  6. Step 6: Final answer
    x = 70,978.79

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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.