Home / 91,769.79-137,654.55-25,210.20

Finding the Fourth Proportional to 91,769.79, 137,654.55 and 25,210.20

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Solution

The fourth proportional to 91,769.79, 137,654.55 and 25,210.20 is: 37,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,769.79 : 137,654.55 = 25,210.20 : x
  2. Step 2: Convert to fraction form
    91,769.79/137,654.55 = 25,210.20/x
  3. Step 3: Cross multiply
    91,769.79x = 137,654.55 × 25,210.20
  4. Step 4: Simplify right side
    91,769.79x = 3,470,298,736.41
  5. Step 5: Solve for x
    x = 3,470,298,736.41/91,769.79
  6. Step 6: Final answer
    x = 37,815.26

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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.