Home / 104,785.08-144,560.70-64,486.68

Finding the Fourth Proportional to 104,785.08, 144,560.70 and 64,486.68

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Solution

The fourth proportional to 104,785.08, 144,560.70 and 64,486.68 is: 88,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.08 : 144,560.70 = 64,486.68 : x
  2. Step 2: Convert to fraction form
    104,785.08/144,560.70 = 64,486.68/x
  3. Step 3: Cross multiply
    104,785.08x = 144,560.70 × 64,486.68
  4. Step 4: Simplify right side
    104,785.08x = 9,322,239,601.48
  5. Step 5: Solve for x
    x = 9,322,239,601.48/104,785.08
  6. Step 6: Final answer
    x = 88,965.33

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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.