Home / 143,025.91-214,455.78-54,230.97

Finding the Fourth Proportional to 143,025.91, 214,455.78 and 54,230.97

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Solution

The fourth proportional to 143,025.91, 214,455.78 and 54,230.97 is: 81,314.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,025.91 : 214,455.78 = 54,230.97 : x
  2. Step 2: Convert to fraction form
    143,025.91/214,455.78 = 54,230.97/x
  3. Step 3: Cross multiply
    143,025.91x = 214,455.78 × 54,230.97
  4. Step 4: Simplify right side
    143,025.91x = 11,630,144,971.51
  5. Step 5: Solve for x
    x = 11,630,144,971.51/143,025.91
  6. Step 6: Final answer
    x = 81,314.95

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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.