Home / 151,230.87-226,715.07-76,288.45

Finding the Fourth Proportional to 151,230.87, 226,715.07 and 76,288.45

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Solution

The fourth proportional to 151,230.87, 226,715.07 and 76,288.45 is: 114,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,230.87 : 226,715.07 = 76,288.45 : x
  2. Step 2: Convert to fraction form
    151,230.87/226,715.07 = 76,288.45/x
  3. Step 3: Cross multiply
    151,230.87x = 226,715.07 × 76,288.45
  4. Step 4: Simplify right side
    151,230.87x = 17,295,741,281.94
  5. Step 5: Solve for x
    x = 17,295,741,281.94/151,230.87
  6. Step 6: Final answer
    x = 114,366.48

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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.