Home / 137,513.26-206,322.24-70,910.86

Finding the Fourth Proportional to 137,513.26, 206,322.24 and 70,910.86

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Solution

The fourth proportional to 137,513.26, 206,322.24 and 70,910.86 is: 106,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,513.26 : 206,322.24 = 70,910.86 : x
  2. Step 2: Convert to fraction form
    137,513.26/206,322.24 = 70,910.86/x
  3. Step 3: Cross multiply
    137,513.26x = 206,322.24 × 70,910.86
  4. Step 4: Simplify right side
    137,513.26x = 14,630,487,475.53
  5. Step 5: Solve for x
    x = 14,630,487,475.53/137,513.26
  6. Step 6: Final answer
    x = 106,393.29

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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.