Home / 211,335.30-317,032.56-69,191.70

Finding the Fourth Proportional to 211,335.30, 317,032.56 and 69,191.70

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Solution

The fourth proportional to 211,335.30, 317,032.56 and 69,191.70 is: 103,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,335.30 : 317,032.56 = 69,191.70 : x
  2. Step 2: Convert to fraction form
    211,335.30/317,032.56 = 69,191.70/x
  3. Step 3: Cross multiply
    211,335.30x = 317,032.56 × 69,191.70
  4. Step 4: Simplify right side
    211,335.30x = 21,936,021,781.75
  5. Step 5: Solve for x
    x = 21,936,021,781.75/211,335.30
  6. Step 6: Final answer
    x = 103,797.24

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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.