Home / 211,523.19-317,182.72-122,799.03

Finding the Fourth Proportional to 211,523.19, 317,182.72 and 122,799.03

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Solution

The fourth proportional to 211,523.19, 317,182.72 and 122,799.03 is: 184,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,523.19 : 317,182.72 = 122,799.03 : x
  2. Step 2: Convert to fraction form
    211,523.19/317,182.72 = 122,799.03/x
  3. Step 3: Cross multiply
    211,523.19x = 317,182.72 × 122,799.03
  4. Step 4: Simplify right side
    211,523.19x = 38,949,730,348.76
  5. Step 5: Solve for x
    x = 38,949,730,348.76/211,523.19
  6. Step 6: Final answer
    x = 184,139.29

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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.