Home / 104,801.11-144,628.55-57,055.26

Finding the Fourth Proportional to 104,801.11, 144,628.55 and 57,055.26

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Solution

The fourth proportional to 104,801.11, 144,628.55 and 57,055.26 is: 78,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,801.11 : 144,628.55 = 57,055.26 : x
  2. Step 2: Convert to fraction form
    104,801.11/144,628.55 = 57,055.26/x
  3. Step 3: Cross multiply
    104,801.11x = 144,628.55 × 57,055.26
  4. Step 4: Simplify right side
    104,801.11x = 8,251,819,523.67
  5. Step 5: Solve for x
    x = 8,251,819,523.67/104,801.11
  6. Step 6: Final answer
    x = 78,737.90

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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.