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Finding the Fourth Proportional to 101,926.70, 152,774.70 and 51,901.12

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Solution

The fourth proportional to 101,926.70, 152,774.70 and 51,901.12 is: 77,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,926.70 : 152,774.70 = 51,901.12 : x
  2. Step 2: Convert to fraction form
    101,926.70/152,774.70 = 51,901.12/x
  3. Step 3: Cross multiply
    101,926.70x = 152,774.70 × 51,901.12
  4. Step 4: Simplify right side
    101,926.70x = 7,929,178,037.66
  5. Step 5: Solve for x
    x = 7,929,178,037.66/101,926.70
  6. Step 6: Final answer
    x = 77,792.94

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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.