Home / 211,844.32-317,612.50-99,466.68

Finding the Fourth Proportional to 211,844.32, 317,612.50 and 99,466.68

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Solution

The fourth proportional to 211,844.32, 317,612.50 and 99,466.68 is: 149,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,844.32 : 317,612.50 = 99,466.68 : x
  2. Step 2: Convert to fraction form
    211,844.32/317,612.50 = 99,466.68/x
  3. Step 3: Cross multiply
    211,844.32x = 317,612.50 × 99,466.68
  4. Step 4: Simplify right side
    211,844.32x = 31,591,860,901.50
  5. Step 5: Solve for x
    x = 31,591,860,901.50/211,844.32
  6. Step 6: Final answer
    x = 149,127.72

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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.