Home / 247,557.18-371,383.52-105,399.86

Finding the Fourth Proportional to 247,557.18, 371,383.52 and 105,399.86

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Solution

The fourth proportional to 247,557.18, 371,383.52 and 105,399.86 is: 158,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,557.18 : 371,383.52 = 105,399.86 : x
  2. Step 2: Convert to fraction form
    247,557.18/371,383.52 = 105,399.86/x
  3. Step 3: Cross multiply
    247,557.18x = 371,383.52 × 105,399.86
  4. Step 4: Simplify right side
    247,557.18x = 39,143,771,014.31
  5. Step 5: Solve for x
    x = 39,143,771,014.31/247,557.18
  6. Step 6: Final answer
    x = 158,120.12

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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.