Home / 211,524.81-317,272.32-99,229.65

Finding the Fourth Proportional to 211,524.81, 317,272.32 and 99,229.65

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Solution

The fourth proportional to 211,524.81, 317,272.32 and 99,229.65 is: 148,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,524.81 : 317,272.32 = 99,229.65 : x
  2. Step 2: Convert to fraction form
    211,524.81/317,272.32 = 99,229.65/x
  3. Step 3: Cross multiply
    211,524.81x = 317,272.32 × 99,229.65
  4. Step 4: Simplify right side
    211,524.81x = 31,482,821,268.29
  5. Step 5: Solve for x
    x = 31,482,821,268.29/211,524.81
  6. Step 6: Final answer
    x = 148,837.49

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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.