Home / 212,250.38-317,974.21-125,437.21

Finding the Fourth Proportional to 212,250.38, 317,974.21 and 125,437.21

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Solution

The fourth proportional to 212,250.38, 317,974.21 and 125,437.21 is: 187,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,250.38 : 317,974.21 = 125,437.21 : x
  2. Step 2: Convert to fraction form
    212,250.38/317,974.21 = 125,437.21/x
  3. Step 3: Cross multiply
    212,250.38x = 317,974.21 × 125,437.21
  4. Step 4: Simplify right side
    212,250.38x = 39,885,796,645.83
  5. Step 5: Solve for x
    x = 39,885,796,645.83/212,250.38
  6. Step 6: Final answer
    x = 187,918.62

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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.