Home / 85,214.76-127,812.06-22,880.36

Finding the Fourth Proportional to 85,214.76, 127,812.06 and 22,880.36

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Solution

The fourth proportional to 85,214.76, 127,812.06 and 22,880.36 is: 34,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,214.76 : 127,812.06 = 22,880.36 : x
  2. Step 2: Convert to fraction form
    85,214.76/127,812.06 = 22,880.36/x
  3. Step 3: Cross multiply
    85,214.76x = 127,812.06 × 22,880.36
  4. Step 4: Simplify right side
    85,214.76x = 2,924,385,945.14
  5. Step 5: Solve for x
    x = 2,924,385,945.14/85,214.76
  6. Step 6: Final answer
    x = 34,317.83

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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.