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Finding the Fourth Proportional to 167,459.01, 231,092.62 and 90,977.59

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Solution

The fourth proportional to 167,459.01, 231,092.62 and 90,977.59 is: 125,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,459.01 : 231,092.62 = 90,977.59 : x
  2. Step 2: Convert to fraction form
    167,459.01/231,092.62 = 90,977.59/x
  3. Step 3: Cross multiply
    167,459.01x = 231,092.62 × 90,977.59
  4. Step 4: Simplify right side
    167,459.01x = 21,024,249,634.39
  5. Step 5: Solve for x
    x = 21,024,249,634.39/167,459.01
  6. Step 6: Final answer
    x = 125,548.63

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1.5x scale

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.