Home / 104,856.37-144,701.76-57,109.72

Finding the Fourth Proportional to 104,856.37, 144,701.76 and 57,109.72

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Solution

The fourth proportional to 104,856.37, 144,701.76 and 57,109.72 is: 78,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,856.37 : 144,701.76 = 57,109.72 : x
  2. Step 2: Convert to fraction form
    104,856.37/144,701.76 = 57,109.72/x
  3. Step 3: Cross multiply
    104,856.37x = 144,701.76 × 57,109.72
  4. Step 4: Simplify right side
    104,856.37x = 8,263,876,273.60
  5. Step 5: Solve for x
    x = 8,263,876,273.60/104,856.37
  6. Step 6: Final answer
    x = 78,811.39

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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.