Home / 126,580.73-189,889.52-46,656.95

Finding the Fourth Proportional to 126,580.73, 189,889.52 and 46,656.95

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Solution

The fourth proportional to 126,580.73, 189,889.52 and 46,656.95 is: 69,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,580.73 : 189,889.52 = 46,656.95 : x
  2. Step 2: Convert to fraction form
    126,580.73/189,889.52 = 46,656.95/x
  3. Step 3: Cross multiply
    126,580.73x = 189,889.52 × 46,656.95
  4. Step 4: Simplify right side
    126,580.73x = 8,859,664,657.43
  5. Step 5: Solve for x
    x = 8,859,664,657.43/126,580.73
  6. Step 6: Final answer
    x = 69,992.21

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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.