Home / 109,528.20-164,365.20-62,143.20

Finding the Fourth Proportional to 109,528.20, 164,365.20 and 62,143.20

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Solution

The fourth proportional to 109,528.20, 164,365.20 and 62,143.20 is: 93,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,528.20 : 164,365.20 = 62,143.20 : x
  2. Step 2: Convert to fraction form
    109,528.20/164,365.20 = 62,143.20/x
  3. Step 3: Cross multiply
    109,528.20x = 164,365.20 × 62,143.20
  4. Step 4: Simplify right side
    109,528.20x = 10,214,179,496.64
  5. Step 5: Solve for x
    x = 10,214,179,496.64/109,528.20
  6. Step 6: Final answer
    x = 93,256.16

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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.