Home / 178,868.15-246,861.38-115,390.61

Finding the Fourth Proportional to 178,868.15, 246,861.38 and 115,390.61

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Solution

The fourth proportional to 178,868.15, 246,861.38 and 115,390.61 is: 159,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,868.15 : 246,861.38 = 115,390.61 : x
  2. Step 2: Convert to fraction form
    178,868.15/246,861.38 = 115,390.61/x
  3. Step 3: Cross multiply
    178,868.15x = 246,861.38 × 115,390.61
  4. Step 4: Simplify right side
    178,868.15x = 28,485,484,646.69
  5. Step 5: Solve for x
    x = 28,485,484,646.69/178,868.15
  6. Step 6: Final answer
    x = 159,254.09

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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.