Home / 143,025.84-214,455.69-54,230.91

Finding the Fourth Proportional to 143,025.84, 214,455.69 and 54,230.91

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Solution

The fourth proportional to 143,025.84, 214,455.69 and 54,230.91 is: 81,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,025.84 : 214,455.69 = 54,230.91 : x
  2. Step 2: Convert to fraction form
    143,025.84/214,455.69 = 54,230.91/x
  3. Step 3: Cross multiply
    143,025.84x = 214,455.69 × 54,230.91
  4. Step 4: Simplify right side
    143,025.84x = 11,630,127,223.38
  5. Step 5: Solve for x
    x = 11,630,127,223.38/143,025.84
  6. Step 6: Final answer
    x = 81,314.87

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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.