Home / 104,905.47-144,769.59-57,158.85

Finding the Fourth Proportional to 104,905.47, 144,769.59 and 57,158.85

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Solution

The fourth proportional to 104,905.47, 144,769.59 and 57,158.85 is: 78,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,905.47 : 144,769.59 = 57,158.85 : x
  2. Step 2: Convert to fraction form
    104,905.47/144,769.59 = 57,158.85/x
  3. Step 3: Cross multiply
    104,905.47x = 144,769.59 × 57,158.85
  4. Step 4: Simplify right side
    104,905.47x = 8,274,863,279.37
  5. Step 5: Solve for x
    x = 8,274,863,279.37/104,905.47
  6. Step 6: Final answer
    x = 78,879.24

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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.