Home / 127,811.84-176,383.94-71,226.86

Finding the Fourth Proportional to 127,811.84, 176,383.94 and 71,226.86

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Solution

The fourth proportional to 127,811.84, 176,383.94 and 71,226.86 is: 98,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,811.84 : 176,383.94 = 71,226.86 : x
  2. Step 2: Convert to fraction form
    127,811.84/176,383.94 = 71,226.86/x
  3. Step 3: Cross multiply
    127,811.84x = 176,383.94 × 71,226.86
  4. Step 4: Simplify right side
    127,811.84x = 12,563,272,962.57
  5. Step 5: Solve for x
    x = 12,563,272,962.57/127,811.84
  6. Step 6: Final answer
    x = 98,295.07

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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.