Home / 146,803.10-220,107.45-53,296.70

Finding the Fourth Proportional to 146,803.10, 220,107.45 and 53,296.70

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Solution

The fourth proportional to 146,803.10, 220,107.45 and 53,296.70 is: 79,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,803.10 : 220,107.45 = 53,296.70 : x
  2. Step 2: Convert to fraction form
    146,803.10/220,107.45 = 53,296.70/x
  3. Step 3: Cross multiply
    146,803.10x = 220,107.45 × 53,296.70
  4. Step 4: Simplify right side
    146,803.10x = 11,731,000,730.42
  5. Step 5: Solve for x
    x = 11,731,000,730.42/146,803.10
  6. Step 6: Final answer
    x = 79,909.76

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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.