Home / 226,721.70-340,068.15-76,961.70

Finding the Fourth Proportional to 226,721.70, 340,068.15 and 76,961.70

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Solution

The fourth proportional to 226,721.70, 340,068.15 and 76,961.70 is: 115,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,721.70 : 340,068.15 = 76,961.70 : x
  2. Step 2: Convert to fraction form
    226,721.70/340,068.15 = 76,961.70/x
  3. Step 3: Cross multiply
    226,721.70x = 340,068.15 × 76,961.70
  4. Step 4: Simplify right side
    226,721.70x = 26,172,222,939.86
  5. Step 5: Solve for x
    x = 26,172,222,939.86/226,721.70
  6. Step 6: Final answer
    x = 115,437.66

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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.