Home / 147,913.76-204,142.24-84,257.60

Finding the Fourth Proportional to 147,913.76, 204,142.24 and 84,257.60

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Solution

The fourth proportional to 147,913.76, 204,142.24 and 84,257.60 is: 116,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,913.76 : 204,142.24 = 84,257.60 : x
  2. Step 2: Convert to fraction form
    147,913.76/204,142.24 = 84,257.60/x
  3. Step 3: Cross multiply
    147,913.76x = 204,142.24 × 84,257.60
  4. Step 4: Simplify right side
    147,913.76x = 17,200,535,201.02
  5. Step 5: Solve for x
    x = 17,200,535,201.02/147,913.76
  6. Step 6: Final answer
    x = 116,287.59

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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.