Home / 208,814.38-288,164.04-113,321.10

Finding the Fourth Proportional to 208,814.38, 288,164.04 and 113,321.10

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Solution

The fourth proportional to 208,814.38, 288,164.04 and 113,321.10 is: 156,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,814.38 : 288,164.04 = 113,321.10 : x
  2. Step 2: Convert to fraction form
    208,814.38/288,164.04 = 113,321.10/x
  3. Step 3: Cross multiply
    208,814.38x = 288,164.04 × 113,321.10
  4. Step 4: Simplify right side
    208,814.38x = 32,655,065,993.24
  5. Step 5: Solve for x
    x = 32,655,065,993.24/208,814.38
  6. Step 6: Final answer
    x = 156,383.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.