Home / 166,417.50-229,656.96-90,966

Finding the Fourth Proportional to 166,417.50, 229,656.96 and 90,966

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Solution

The fourth proportional to 166,417.50, 229,656.96 and 90,966 is: 125,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,417.50 : 229,656.96 = 90,966 : x
  2. Step 2: Convert to fraction form
    166,417.50/229,656.96 = 90,966/x
  3. Step 3: Cross multiply
    166,417.50x = 229,656.96 × 90,966
  4. Step 4: Simplify right side
    166,417.50x = 20,890,975,023.36
  5. Step 5: Solve for x
    x = 20,890,975,023.36/166,417.50
  6. Step 6: Final answer
    x = 125,533.52

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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.