Home / 211,737.14-317,737.38-131,931.80

Finding the Fourth Proportional to 211,737.14, 317,737.38 and 131,931.80

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Solution

The fourth proportional to 211,737.14, 317,737.38 and 131,931.80 is: 197,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,737.14 : 317,737.38 = 131,931.80 : x
  2. Step 2: Convert to fraction form
    211,737.14/317,737.38 = 131,931.80/x
  3. Step 3: Cross multiply
    211,737.14x = 317,737.38 × 131,931.80
  4. Step 4: Simplify right side
    211,737.14x = 41,919,664,470.68
  5. Step 5: Solve for x
    x = 41,919,664,470.68/211,737.14
  6. Step 6: Final answer
    x = 197,979.74

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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.