Home / 91,786.10-137,654.09-25,210.40

Finding the Fourth Proportional to 91,786.10, 137,654.09 and 25,210.40

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Solution

The fourth proportional to 91,786.10, 137,654.09 and 25,210.40 is: 37,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,786.10 : 137,654.09 = 25,210.40 : x
  2. Step 2: Convert to fraction form
    91,786.10/137,654.09 = 25,210.40/x
  3. Step 3: Cross multiply
    91,786.10x = 137,654.09 × 25,210.40
  4. Step 4: Simplify right side
    91,786.10x = 3,470,313,856.21
  5. Step 5: Solve for x
    x = 3,470,313,856.21/91,786.10
  6. Step 6: Final answer
    x = 37,808.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.