Home / 97,314.80-145,972.20-34,991.60

Finding the Fourth Proportional to 97,314.80, 145,972.20 and 34,991.60

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Solution

The fourth proportional to 97,314.80, 145,972.20 and 34,991.60 is: 52,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,314.80 : 145,972.20 = 34,991.60 : x
  2. Step 2: Convert to fraction form
    97,314.80/145,972.20 = 34,991.60/x
  3. Step 3: Cross multiply
    97,314.80x = 145,972.20 × 34,991.60
  4. Step 4: Simplify right side
    97,314.80x = 5,107,800,833.52
  5. Step 5: Solve for x
    x = 5,107,800,833.52/97,314.80
  6. Step 6: Final answer
    x = 52,487.40

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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.