Home / 127,355.32-175,699.02-76,966.84

Finding the Fourth Proportional to 127,355.32, 175,699.02 and 76,966.84

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Solution

The fourth proportional to 127,355.32, 175,699.02 and 76,966.84 is: 106,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,355.32 : 175,699.02 = 76,966.84 : x
  2. Step 2: Convert to fraction form
    127,355.32/175,699.02 = 76,966.84/x
  3. Step 3: Cross multiply
    127,355.32x = 175,699.02 × 76,966.84
  4. Step 4: Simplify right side
    127,355.32x = 13,522,998,360.50
  5. Step 5: Solve for x
    x = 13,522,998,360.50/127,355.32
  6. Step 6: Final answer
    x = 106,183.22

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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.