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Finding the Fourth Proportional to 100,168.30, 150,335.88 and 52,800.40

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Solution

The fourth proportional to 100,168.30, 150,335.88 and 52,800.40 is: 79,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,168.30 : 150,335.88 = 52,800.40 : x
  2. Step 2: Convert to fraction form
    100,168.30/150,335.88 = 52,800.40/x
  3. Step 3: Cross multiply
    100,168.30x = 150,335.88 × 52,800.40
  4. Step 4: Simplify right side
    100,168.30x = 7,937,794,598.35
  5. Step 5: Solve for x
    x = 7,937,794,598.35/100,168.30
  6. Step 6: Final answer
    x = 79,244.58

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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.