Home / 137,095.44-189,194.22-83,382.72

Finding the Fourth Proportional to 137,095.44, 189,194.22 and 83,382.72

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Solution

The fourth proportional to 137,095.44, 189,194.22 and 83,382.72 is: 115,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,095.44 : 189,194.22 = 83,382.72 : x
  2. Step 2: Convert to fraction form
    137,095.44/189,194.22 = 83,382.72/x
  3. Step 3: Cross multiply
    137,095.44x = 189,194.22 × 83,382.72
  4. Step 4: Simplify right side
    137,095.44x = 15,775,528,671.88
  5. Step 5: Solve for x
    x = 15,775,528,671.88/137,095.44
  6. Step 6: Final answer
    x = 115,069.68

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1.5x scale

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.