Home / 151,152.78-226,780.44-66,901.35

Finding the Fourth Proportional to 151,152.78, 226,780.44 and 66,901.35

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Solution

The fourth proportional to 151,152.78, 226,780.44 and 66,901.35 is: 100,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,152.78 : 226,780.44 = 66,901.35 : x
  2. Step 2: Convert to fraction form
    151,152.78/226,780.44 = 66,901.35/x
  3. Step 3: Cross multiply
    151,152.78x = 226,780.44 × 66,901.35
  4. Step 4: Simplify right side
    151,152.78x = 15,171,917,589.59
  5. Step 5: Solve for x
    x = 15,171,917,589.59/151,152.78
  6. Step 6: Final answer
    x = 100,374.72

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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.