Home / 147,999.60-222,436.80-145,375.20

Finding the Fourth Proportional to 147,999.60, 222,436.80 and 145,375.20

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Solution

The fourth proportional to 147,999.60, 222,436.80 and 145,375.20 is: 218,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,999.60 : 222,436.80 = 145,375.20 : x
  2. Step 2: Convert to fraction form
    147,999.60/222,436.80 = 145,375.20/x
  3. Step 3: Cross multiply
    147,999.60x = 222,436.80 × 145,375.20
  4. Step 4: Simplify right side
    147,999.60x = 32,336,794,287.36
  5. Step 5: Solve for x
    x = 32,336,794,287.36/147,999.60
  6. Step 6: Final answer
    x = 218,492.44

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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.