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Finding the Fourth Proportional to 103,500.60, 155,250.90 and 73,433.40

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Solution

The fourth proportional to 103,500.60, 155,250.90 and 73,433.40 is: 110,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,500.60 : 155,250.90 = 73,433.40 : x
  2. Step 2: Convert to fraction form
    103,500.60/155,250.90 = 73,433.40/x
  3. Step 3: Cross multiply
    103,500.60x = 155,250.90 × 73,433.40
  4. Step 4: Simplify right side
    103,500.60x = 11,400,601,440.06
  5. Step 5: Solve for x
    x = 11,400,601,440.06/103,500.60
  6. Step 6: Final answer
    x = 110,150.10

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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.