Home / 211,972.40-317,618.40-112,002.20

Finding the Fourth Proportional to 211,972.40, 317,618.40 and 112,002.20

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Solution

The fourth proportional to 211,972.40, 317,618.40 and 112,002.20 is: 167,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,972.40 : 317,618.40 = 112,002.20 : x
  2. Step 2: Convert to fraction form
    211,972.40/317,618.40 = 112,002.20/x
  3. Step 3: Cross multiply
    211,972.40x = 317,618.40 × 112,002.20
  4. Step 4: Simplify right side
    211,972.40x = 35,573,959,560.48
  5. Step 5: Solve for x
    x = 35,573,959,560.48/211,972.40
  6. Step 6: Final answer
    x = 167,823.54

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1.5x scale

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.