Home / 97,261.52-145,850.97-38,087.78

Finding the Fourth Proportional to 97,261.52, 145,850.97 and 38,087.78

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Solution

The fourth proportional to 97,261.52, 145,850.97 and 38,087.78 is: 57,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,261.52 : 145,850.97 = 38,087.78 : x
  2. Step 2: Convert to fraction form
    97,261.52/145,850.97 = 38,087.78/x
  3. Step 3: Cross multiply
    97,261.52x = 145,850.97 × 38,087.78
  4. Step 4: Simplify right side
    97,261.52x = 5,555,139,658.15
  5. Step 5: Solve for x
    x = 5,555,139,658.15/97,261.52
  6. Step 6: Final answer
    x = 57,115.49

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1.5x scale

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.