Home / 127,276.90-175,648.94-76,297.92

Finding the Fourth Proportional to 127,276.90, 175,648.94 and 76,297.92

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Solution

The fourth proportional to 127,276.90, 175,648.94 and 76,297.92 is: 105,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,276.90 : 175,648.94 = 76,297.92 : x
  2. Step 2: Convert to fraction form
    127,276.90/175,648.94 = 76,297.92/x
  3. Step 3: Cross multiply
    127,276.90x = 175,648.94 × 76,297.92
  4. Step 4: Simplify right side
    127,276.90x = 13,401,648,772.20
  5. Step 5: Solve for x
    x = 13,401,648,772.20/127,276.90
  6. Step 6: Final answer
    x = 105,295.22

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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.