Home / 104,659.71-144,436.70-61,667.85

Finding the Fourth Proportional to 104,659.71, 144,436.70 and 61,667.85

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Solution

The fourth proportional to 104,659.71, 144,436.70 and 61,667.85 is: 85,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,659.71 : 144,436.70 = 61,667.85 : x
  2. Step 2: Convert to fraction form
    104,659.71/144,436.70 = 61,667.85/x
  3. Step 3: Cross multiply
    104,659.71x = 144,436.70 × 61,667.85
  4. Step 4: Simplify right side
    104,659.71x = 8,907,100,441.76
  5. Step 5: Solve for x
    x = 8,907,100,441.76/104,659.71
  6. Step 6: Final answer
    x = 85,105.34

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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.