Home / 104,196.31-143,783.78-58,876.20

Finding the Fourth Proportional to 104,196.31, 143,783.78 and 58,876.20

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Solution

The fourth proportional to 104,196.31, 143,783.78 and 58,876.20 is: 81,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,196.31 : 143,783.78 = 58,876.20 : x
  2. Step 2: Convert to fraction form
    104,196.31/143,783.78 = 58,876.20/x
  3. Step 3: Cross multiply
    104,196.31x = 143,783.78 × 58,876.20
  4. Step 4: Simplify right side
    104,196.31x = 8,465,442,293.66
  5. Step 5: Solve for x
    x = 8,465,442,293.66/104,196.31
  6. Step 6: Final answer
    x = 81,245.13

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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.