Home / 146,226.32-219,339.45-79,722.38

Finding the Fourth Proportional to 146,226.32, 219,339.45 and 79,722.38

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Solution

The fourth proportional to 146,226.32, 219,339.45 and 79,722.38 is: 119,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,226.32 : 219,339.45 = 79,722.38 : x
  2. Step 2: Convert to fraction form
    146,226.32/219,339.45 = 79,722.38/x
  3. Step 3: Cross multiply
    146,226.32x = 219,339.45 × 79,722.38
  4. Step 4: Simplify right side
    146,226.32x = 17,486,262,981.89
  5. Step 5: Solve for x
    x = 17,486,262,981.89/146,226.32
  6. Step 6: Final answer
    x = 119,583.55

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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.