Home / 149,921.60-224,623.20-70,865.60

Finding the Fourth Proportional to 149,921.60, 224,623.20 and 70,865.60

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Solution

The fourth proportional to 149,921.60, 224,623.20 and 70,865.60 is: 106,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,921.60 : 224,623.20 = 70,865.60 : x
  2. Step 2: Convert to fraction form
    149,921.60/224,623.20 = 70,865.60/x
  3. Step 3: Cross multiply
    149,921.60x = 224,623.20 × 70,865.60
  4. Step 4: Simplify right side
    149,921.60x = 15,918,057,841.92
  5. Step 5: Solve for x
    x = 15,918,057,841.92/149,921.60
  6. Step 6: Final answer
    x = 106,175.88

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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.