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Finding the Fourth Proportional to 157,599.20, 236,107.20 and 147,101.60

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Solution

The fourth proportional to 157,599.20, 236,107.20 and 147,101.60 is: 220,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,599.20 : 236,107.20 = 147,101.60 : x
  2. Step 2: Convert to fraction form
    157,599.20/236,107.20 = 147,101.60/x
  3. Step 3: Cross multiply
    157,599.20x = 236,107.20 × 147,101.60
  4. Step 4: Simplify right side
    157,599.20x = 34,731,746,891.52
  5. Step 5: Solve for x
    x = 34,731,746,891.52/157,599.20
  6. Step 6: Final answer
    x = 220,380.22

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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.