Home / 140,821.22-211,231.64-47,392.58

Finding the Fourth Proportional to 140,821.22, 211,231.64 and 47,392.58

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Solution

The fourth proportional to 140,821.22, 211,231.64 and 47,392.58 is: 71,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,821.22 : 211,231.64 = 47,392.58 : x
  2. Step 2: Convert to fraction form
    140,821.22/211,231.64 = 47,392.58/x
  3. Step 3: Cross multiply
    140,821.22x = 211,231.64 × 47,392.58
  4. Step 4: Simplify right side
    140,821.22x = 10,010,812,397.23
  5. Step 5: Solve for x
    x = 10,010,812,397.23/140,821.22
  6. Step 6: Final answer
    x = 71,088.81

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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.