Home / 202,219.20-303,134.40-157,215.60

Finding the Fourth Proportional to 202,219.20, 303,134.40 and 157,215.60

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Solution

The fourth proportional to 202,219.20, 303,134.40 and 157,215.60 is: 235,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,219.20 : 303,134.40 = 157,215.60 : x
  2. Step 2: Convert to fraction form
    202,219.20/303,134.40 = 157,215.60/x
  3. Step 3: Cross multiply
    202,219.20x = 303,134.40 × 157,215.60
  4. Step 4: Simplify right side
    202,219.20x = 47,657,456,576.64
  5. Step 5: Solve for x
    x = 47,657,456,576.64/202,219.20
  6. Step 6: Final answer
    x = 235,672.26

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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.