Home / 149,577.20-224,365.80-90,528.20

Finding the Fourth Proportional to 149,577.20, 224,365.80 and 90,528.20

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Solution

The fourth proportional to 149,577.20, 224,365.80 and 90,528.20 is: 135,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,577.20 : 224,365.80 = 90,528.20 : x
  2. Step 2: Convert to fraction form
    149,577.20/224,365.80 = 90,528.20/x
  3. Step 3: Cross multiply
    149,577.20x = 224,365.80 × 90,528.20
  4. Step 4: Simplify right side
    149,577.20x = 20,311,432,015.56
  5. Step 5: Solve for x
    x = 20,311,432,015.56/149,577.20
  6. Step 6: Final answer
    x = 135,792.30

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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.