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Finding the Fourth Proportional to 143,502.86, 214,811.22 and 93,475.22

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Solution

The fourth proportional to 143,502.86, 214,811.22 and 93,475.22 is: 139,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,502.86 : 214,811.22 = 93,475.22 : x
  2. Step 2: Convert to fraction form
    143,502.86/214,811.22 = 93,475.22/x
  3. Step 3: Cross multiply
    143,502.86x = 214,811.22 × 93,475.22
  4. Step 4: Simplify right side
    143,502.86x = 20,079,526,047.97
  5. Step 5: Solve for x
    x = 20,079,526,047.97/143,502.86
  6. Step 6: Final answer
    x = 139,924.22

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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.