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Finding the Fourth Proportional to 143,997.86, 216,093.20 and 59,758.11

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Solution

The fourth proportional to 143,997.86, 216,093.20 and 59,758.11 is: 89,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,997.86 : 216,093.20 = 59,758.11 : x
  2. Step 2: Convert to fraction form
    143,997.86/216,093.20 = 59,758.11/x
  3. Step 3: Cross multiply
    143,997.86x = 216,093.20 × 59,758.11
  4. Step 4: Simplify right side
    143,997.86x = 12,913,321,215.85
  5. Step 5: Solve for x
    x = 12,913,321,215.85/143,997.86
  6. Step 6: Final answer
    x = 89,677.17

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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.