Home / 211,637.08-317,452.13-85,274.24

Finding the Fourth Proportional to 211,637.08, 317,452.13 and 85,274.24

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Solution

The fourth proportional to 211,637.08, 317,452.13 and 85,274.24 is: 127,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,637.08 : 317,452.13 = 85,274.24 : x
  2. Step 2: Convert to fraction form
    211,637.08/317,452.13 = 85,274.24/x
  3. Step 3: Cross multiply
    211,637.08x = 317,452.13 × 85,274.24
  4. Step 4: Simplify right side
    211,637.08x = 27,070,488,695.76
  5. Step 5: Solve for x
    x = 27,070,488,695.76/211,637.08
  6. Step 6: Final answer
    x = 127,909.95

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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.