Home / 166,587.50-229,896.16-91,136

Finding the Fourth Proportional to 166,587.50, 229,896.16 and 91,136

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Solution

The fourth proportional to 166,587.50, 229,896.16 and 91,136 is: 125,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,587.50 : 229,896.16 = 91,136 : x
  2. Step 2: Convert to fraction form
    166,587.50/229,896.16 = 91,136/x
  3. Step 3: Cross multiply
    166,587.50x = 229,896.16 × 91,136
  4. Step 4: Simplify right side
    166,587.50x = 20,951,816,437.76
  5. Step 5: Solve for x
    x = 20,951,816,437.76/166,587.50
  6. Step 6: Final answer
    x = 125,770.64

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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.