Home / 166,602.45-229,672.25-118,772.76

Finding the Fourth Proportional to 166,602.45, 229,672.25 and 118,772.76

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Solution

The fourth proportional to 166,602.45, 229,672.25 and 118,772.76 is: 163,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,602.45 : 229,672.25 = 118,772.76 : x
  2. Step 2: Convert to fraction form
    166,602.45/229,672.25 = 118,772.76/x
  3. Step 3: Cross multiply
    166,602.45x = 229,672.25 × 118,772.76
  4. Step 4: Simplify right side
    166,602.45x = 27,278,806,434.05
  5. Step 5: Solve for x
    x = 27,278,806,434.05/166,602.45
  6. Step 6: Final answer
    x = 163,735.93

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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.