Home / 166,445.87-229,665.78-98,465.71

Finding the Fourth Proportional to 166,445.87, 229,665.78 and 98,465.71

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Solution

The fourth proportional to 166,445.87, 229,665.78 and 98,465.71 is: 135,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,445.87 : 229,665.78 = 98,465.71 : x
  2. Step 2: Convert to fraction form
    166,445.87/229,665.78 = 98,465.71/x
  3. Step 3: Cross multiply
    166,445.87x = 229,665.78 × 98,465.71
  4. Step 4: Simplify right side
    166,445.87x = 22,614,203,598.08
  5. Step 5: Solve for x
    x = 22,614,203,598.08/166,445.87
  6. Step 6: Final answer
    x = 135,865.21

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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.