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Finding the Fourth Proportional to 149,959.20, 225,025.20 and 56,474.40

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Solution

The fourth proportional to 149,959.20, 225,025.20 and 56,474.40 is: 84,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,959.20 : 225,025.20 = 56,474.40 : x
  2. Step 2: Convert to fraction form
    149,959.20/225,025.20 = 56,474.40/x
  3. Step 3: Cross multiply
    149,959.20x = 225,025.20 × 56,474.40
  4. Step 4: Simplify right side
    149,959.20x = 12,708,163,154.88
  5. Step 5: Solve for x
    x = 12,708,163,154.88/149,959.20
  6. Step 6: Final answer
    x = 84,744.14

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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.