Home / 127,511.87-175,962.73-69,366.78

Finding the Fourth Proportional to 127,511.87, 175,962.73 and 69,366.78

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Solution

The fourth proportional to 127,511.87, 175,962.73 and 69,366.78 is: 95,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,511.87 : 175,962.73 = 69,366.78 : x
  2. Step 2: Convert to fraction form
    127,511.87/175,962.73 = 69,366.78/x
  3. Step 3: Cross multiply
    127,511.87x = 175,962.73 × 69,366.78
  4. Step 4: Simplify right side
    127,511.87x = 12,205,967,936.76
  5. Step 5: Solve for x
    x = 12,205,967,936.76/127,511.87
  6. Step 6: Final answer
    x = 95,724.17

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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.