Home / 137,493.15-189,385.63-97,136.85

Finding the Fourth Proportional to 137,493.15, 189,385.63 and 97,136.85

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Solution

The fourth proportional to 137,493.15, 189,385.63 and 97,136.85 is: 133,798.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,493.15 : 189,385.63 = 97,136.85 : x
  2. Step 2: Convert to fraction form
    137,493.15/189,385.63 = 97,136.85/x
  3. Step 3: Cross multiply
    137,493.15x = 189,385.63 × 97,136.85
  4. Step 4: Simplify right side
    137,493.15x = 18,396,324,000.82
  5. Step 5: Solve for x
    x = 18,396,324,000.82/137,493.15
  6. Step 6: Final answer
    x = 133,798.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.