Home / 109,962-151,747.60-62,214.32

Finding the Fourth Proportional to 109,962, 151,747.60 and 62,214.32

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Solution

The fourth proportional to 109,962, 151,747.60 and 62,214.32 is: 85,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,962 : 151,747.60 = 62,214.32 : x
  2. Step 2: Convert to fraction form
    109,962/151,747.60 = 62,214.32/x
  3. Step 3: Cross multiply
    109,962x = 151,747.60 × 62,214.32
  4. Step 4: Simplify right side
    109,962x = 9,440,873,745.63
  5. Step 5: Solve for x
    x = 9,440,873,745.63/109,962
  6. Step 6: Final answer
    x = 85,855.78

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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.