Home / 126,583.25-189,916.47-51,766.34

Finding the Fourth Proportional to 126,583.25, 189,916.47 and 51,766.34

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Solution

The fourth proportional to 126,583.25, 189,916.47 and 51,766.34 is: 77,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,583.25 : 189,916.47 = 51,766.34 : x
  2. Step 2: Convert to fraction form
    126,583.25/189,916.47 = 51,766.34/x
  3. Step 3: Cross multiply
    126,583.25x = 189,916.47 × 51,766.34
  4. Step 4: Simplify right side
    126,583.25x = 9,831,279,608.04
  5. Step 5: Solve for x
    x = 9,831,279,608.04/126,583.25
  6. Step 6: Final answer
    x = 77,666.52

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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.