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Finding the Fourth Proportional to 97,204.60, 145,806.90 and 55,622.20

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Solution

The fourth proportional to 97,204.60, 145,806.90 and 55,622.20 is: 83,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,204.60 : 145,806.90 = 55,622.20 : x
  2. Step 2: Convert to fraction form
    97,204.60/145,806.90 = 55,622.20/x
  3. Step 3: Cross multiply
    97,204.60x = 145,806.90 × 55,622.20
  4. Step 4: Simplify right side
    97,204.60x = 8,110,100,553.18
  5. Step 5: Solve for x
    x = 8,110,100,553.18/97,204.60
  6. Step 6: Final answer
    x = 83,433.30

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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.