Home / 166,389.26-229,617.18-90,937.76

Finding the Fourth Proportional to 166,389.26, 229,617.18 and 90,937.76

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Solution

The fourth proportional to 166,389.26, 229,617.18 and 90,937.76 is: 125,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,389.26 : 229,617.18 = 90,937.76 : x
  2. Step 2: Convert to fraction form
    166,389.26/229,617.18 = 90,937.76/x
  3. Step 3: Cross multiply
    166,389.26x = 229,617.18 × 90,937.76
  4. Step 4: Simplify right side
    166,389.26x = 20,880,870,858.63
  5. Step 5: Solve for x
    x = 20,880,870,858.63/166,389.26
  6. Step 6: Final answer
    x = 125,494.11

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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.