Home / 146,217.52-201,780.48-79,149.52

Finding the Fourth Proportional to 146,217.52, 201,780.48 and 79,149.52

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Solution

The fourth proportional to 146,217.52, 201,780.48 and 79,149.52 is: 109,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,217.52 : 201,780.48 = 79,149.52 : x
  2. Step 2: Convert to fraction form
    146,217.52/201,780.48 = 79,149.52/x
  3. Step 3: Cross multiply
    146,217.52x = 201,780.48 × 79,149.52
  4. Step 4: Simplify right side
    146,217.52x = 15,970,828,137.37
  5. Step 5: Solve for x
    x = 15,970,828,137.37/146,217.52
  6. Step 6: Final answer
    x = 109,226.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.