Home / 104,898.09-144,757.53-57,151.78

Finding the Fourth Proportional to 104,898.09, 144,757.53 and 57,151.78

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Solution

The fourth proportional to 104,898.09, 144,757.53 and 57,151.78 is: 78,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,898.09 : 144,757.53 = 57,151.78 : x
  2. Step 2: Convert to fraction form
    104,898.09/144,757.53 = 57,151.78/x
  3. Step 3: Cross multiply
    104,898.09x = 144,757.53 × 57,151.78
  4. Step 4: Simplify right side
    104,898.09x = 8,273,150,146.01
  5. Step 5: Solve for x
    x = 8,273,150,146.01/104,898.09
  6. Step 6: Final answer
    x = 78,868.46

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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.