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Finding the Fourth Proportional to 167,419.60, 251,323.80 and 166,253.20

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Solution

The fourth proportional to 167,419.60, 251,323.80 and 166,253.20 is: 249,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,419.60 : 251,323.80 = 166,253.20 : x
  2. Step 2: Convert to fraction form
    167,419.60/251,323.80 = 166,253.20/x
  3. Step 3: Cross multiply
    167,419.60x = 251,323.80 × 166,253.20
  4. Step 4: Simplify right side
    167,419.60x = 41,783,385,986.16
  5. Step 5: Solve for x
    x = 41,783,385,986.16/167,419.60
  6. Step 6: Final answer
    x = 249,572.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.