Home / 211,524.34-317,158.68-99,229.18

Finding the Fourth Proportional to 211,524.34, 317,158.68 and 99,229.18

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Solution

The fourth proportional to 211,524.34, 317,158.68 and 99,229.18 is: 148,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,524.34 : 317,158.68 = 99,229.18 : x
  2. Step 2: Convert to fraction form
    211,524.34/317,158.68 = 99,229.18/x
  3. Step 3: Cross multiply
    211,524.34x = 317,158.68 × 99,229.18
  4. Step 4: Simplify right side
    211,524.34x = 31,471,395,746.28
  5. Step 5: Solve for x
    x = 31,471,395,746.28/211,524.34
  6. Step 6: Final answer
    x = 148,783.80

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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.