Home / 110,223.74-165,283.76-76,981.34

Finding the Fourth Proportional to 110,223.74, 165,283.76 and 76,981.34

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Solution

The fourth proportional to 110,223.74, 165,283.76 and 76,981.34 is: 115,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,223.74 : 165,283.76 = 76,981.34 : x
  2. Step 2: Convert to fraction form
    110,223.74/165,283.76 = 76,981.34/x
  3. Step 3: Cross multiply
    110,223.74x = 165,283.76 × 76,981.34
  4. Step 4: Simplify right side
    110,223.74x = 12,723,765,325.04
  5. Step 5: Solve for x
    x = 12,723,765,325.04/110,223.74
  6. Step 6: Final answer
    x = 115,435.80

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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.