Home / 138,916.44-208,403.46-55,816.92

Finding the Fourth Proportional to 138,916.44, 208,403.46 and 55,816.92

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Solution

The fourth proportional to 138,916.44, 208,403.46 and 55,816.92 is: 83,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,916.44 : 208,403.46 = 55,816.92 : x
  2. Step 2: Convert to fraction form
    138,916.44/208,403.46 = 55,816.92/x
  3. Step 3: Cross multiply
    138,916.44x = 208,403.46 × 55,816.92
  4. Step 4: Simplify right side
    138,916.44x = 11,632,439,254.54
  5. Step 5: Solve for x
    x = 11,632,439,254.54/138,916.44
  6. Step 6: Final answer
    x = 83,736.95

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1.5x scale

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.