Home / 104,823.64-144,654.75-57,076.12

Finding the Fourth Proportional to 104,823.64, 144,654.75 and 57,076.12

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Solution

The fourth proportional to 104,823.64, 144,654.75 and 57,076.12 is: 78,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,823.64 : 144,654.75 = 57,076.12 : x
  2. Step 2: Convert to fraction form
    104,823.64/144,654.75 = 57,076.12/x
  3. Step 3: Cross multiply
    104,823.64x = 144,654.75 × 57,076.12
  4. Step 4: Simplify right side
    104,823.64x = 8,256,331,869.57
  5. Step 5: Solve for x
    x = 8,256,331,869.57/104,823.64
  6. Step 6: Final answer
    x = 78,764.03

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1.5x scale

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.