Home / 146,507.20-219,415.20-99,505.60

Finding the Fourth Proportional to 146,507.20, 219,415.20 and 99,505.60

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Solution

The fourth proportional to 146,507.20, 219,415.20 and 99,505.60 is: 149,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,507.20 : 219,415.20 = 99,505.60 : x
  2. Step 2: Convert to fraction form
    146,507.20/219,415.20 = 99,505.60/x
  3. Step 3: Cross multiply
    146,507.20x = 219,415.20 × 99,505.60
  4. Step 4: Simplify right side
    146,507.20x = 21,833,041,125.12
  5. Step 5: Solve for x
    x = 21,833,041,125.12/146,507.20
  6. Step 6: Final answer
    x = 149,023.67

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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.