Home / 104,789.05-144,608.90-57,042.76

Finding the Fourth Proportional to 104,789.05, 144,608.90 and 57,042.76

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Solution

The fourth proportional to 104,789.05, 144,608.90 and 57,042.76 is: 78,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,789.05 : 144,608.90 = 57,042.76 : x
  2. Step 2: Convert to fraction form
    104,789.05/144,608.90 = 57,042.76/x
  3. Step 3: Cross multiply
    104,789.05x = 144,608.90 × 57,042.76
  4. Step 4: Simplify right side
    104,789.05x = 8,248,890,053.52
  5. Step 5: Solve for x
    x = 8,248,890,053.52/104,789.05
  6. Step 6: Final answer
    x = 78,719.01

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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.