Home / 230,073.91-317,453.19-145,141.75

Finding the Fourth Proportional to 230,073.91, 317,453.19 and 145,141.75

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Solution

The fourth proportional to 230,073.91, 317,453.19 and 145,141.75 is: 200,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,073.91 : 317,453.19 = 145,141.75 : x
  2. Step 2: Convert to fraction form
    230,073.91/317,453.19 = 145,141.75/x
  3. Step 3: Cross multiply
    230,073.91x = 317,453.19 × 145,141.75
  4. Step 4: Simplify right side
    230,073.91x = 46,075,711,539.68
  5. Step 5: Solve for x
    x = 46,075,711,539.68/230,073.91
  6. Step 6: Final answer
    x = 200,264.83

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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.