Home / 134,219.94-185,218.79-73,790.15

Finding the Fourth Proportional to 134,219.94, 185,218.79 and 73,790.15

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Solution

The fourth proportional to 134,219.94, 185,218.79 and 73,790.15 is: 101,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,219.94 : 185,218.79 = 73,790.15 : x
  2. Step 2: Convert to fraction form
    134,219.94/185,218.79 = 73,790.15/x
  3. Step 3: Cross multiply
    134,219.94x = 185,218.79 × 73,790.15
  4. Step 4: Simplify right side
    134,219.94x = 13,667,321,370.82
  5. Step 5: Solve for x
    x = 13,667,321,370.82/134,219.94
  6. Step 6: Final answer
    x = 101,827.80

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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.