Home / 211,587.68-317,269.84-111,801.44

Finding the Fourth Proportional to 211,587.68, 317,269.84 and 111,801.44

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Solution

The fourth proportional to 211,587.68, 317,269.84 and 111,801.44 is: 167,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,587.68 : 317,269.84 = 111,801.44 : x
  2. Step 2: Convert to fraction form
    211,587.68/317,269.84 = 111,801.44/x
  3. Step 3: Cross multiply
    211,587.68x = 317,269.84 × 111,801.44
  4. Step 4: Simplify right side
    211,587.68x = 35,471,224,980.57
  5. Step 5: Solve for x
    x = 35,471,224,980.57/211,587.68
  6. Step 6: Final answer
    x = 167,643.15

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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.