Home / 137,552.74-189,856.52-83,867.34

Finding the Fourth Proportional to 137,552.74, 189,856.52 and 83,867.34

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Solution

The fourth proportional to 137,552.74, 189,856.52 and 83,867.34 is: 115,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,552.74 : 189,856.52 = 83,867.34 : x
  2. Step 2: Convert to fraction form
    137,552.74/189,856.52 = 83,867.34/x
  3. Step 3: Cross multiply
    137,552.74x = 189,856.52 × 83,867.34
  4. Step 4: Simplify right side
    137,552.74x = 15,922,761,314.06
  5. Step 5: Solve for x
    x = 15,922,761,314.06/137,552.74
  6. Step 6: Final answer
    x = 115,757.50

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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.