Home / 144,050.46-215,928-55,280.14

Finding the Fourth Proportional to 144,050.46, 215,928 and 55,280.14

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Solution

The fourth proportional to 144,050.46, 215,928 and 55,280.14 is: 82,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,050.46 : 215,928 = 55,280.14 : x
  2. Step 2: Convert to fraction form
    144,050.46/215,928 = 55,280.14/x
  3. Step 3: Cross multiply
    144,050.46x = 215,928 × 55,280.14
  4. Step 4: Simplify right side
    144,050.46x = 11,936,530,069.92
  5. Step 5: Solve for x
    x = 11,936,530,069.92/144,050.46
  6. Step 6: Final answer
    x = 82,863.53

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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.