Home / 152,414.20-228,621.30-99,270.10

Finding the Fourth Proportional to 152,414.20, 228,621.30 and 99,270.10

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Solution

The fourth proportional to 152,414.20, 228,621.30 and 99,270.10 is: 148,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,414.20 : 228,621.30 = 99,270.10 : x
  2. Step 2: Convert to fraction form
    152,414.20/228,621.30 = 99,270.10/x
  3. Step 3: Cross multiply
    152,414.20x = 228,621.30 × 99,270.10
  4. Step 4: Simplify right side
    152,414.20x = 22,695,259,313.13
  5. Step 5: Solve for x
    x = 22,695,259,313.13/152,414.20
  6. Step 6: Final answer
    x = 148,905.15

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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.