Home / 211,525.14-317,194.32-99,114.57

Finding the Fourth Proportional to 211,525.14, 317,194.32 and 99,114.57

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Solution

The fourth proportional to 211,525.14, 317,194.32 and 99,114.57 is: 148,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,525.14 : 317,194.32 = 99,114.57 : x
  2. Step 2: Convert to fraction form
    211,525.14/317,194.32 = 99,114.57/x
  3. Step 3: Cross multiply
    211,525.14x = 317,194.32 × 99,114.57
  4. Step 4: Simplify right side
    211,525.14x = 31,438,578,633.24
  5. Step 5: Solve for x
    x = 31,438,578,633.24/211,525.14
  6. Step 6: Final answer
    x = 148,628.10

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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.