Home / 137,060.68-189,150.96-83,336.80

Finding the Fourth Proportional to 137,060.68, 189,150.96 and 83,336.80

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Solution

The fourth proportional to 137,060.68, 189,150.96 and 83,336.80 is: 115,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,060.68 : 189,150.96 = 83,336.80 : x
  2. Step 2: Convert to fraction form
    137,060.68/189,150.96 = 83,336.80/x
  3. Step 3: Cross multiply
    137,060.68x = 189,150.96 × 83,336.80
  4. Step 4: Simplify right side
    137,060.68x = 15,763,235,723.33
  5. Step 5: Solve for x
    x = 15,763,235,723.33/137,060.68
  6. Step 6: Final answer
    x = 115,009.17

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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.