Home / 134,120.16-185,016.42-91,101.87

Finding the Fourth Proportional to 134,120.16, 185,016.42 and 91,101.87

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Solution

The fourth proportional to 134,120.16, 185,016.42 and 91,101.87 is: 125,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,120.16 : 185,016.42 = 91,101.87 : x
  2. Step 2: Convert to fraction form
    134,120.16/185,016.42 = 91,101.87/x
  3. Step 3: Cross multiply
    134,120.16x = 185,016.42 × 91,101.87
  4. Step 4: Simplify right side
    134,120.16x = 16,855,341,842.71
  5. Step 5: Solve for x
    x = 16,855,341,842.71/134,120.16
  6. Step 6: Final answer
    x = 125,673.44

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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.