Home / 189,008.82-260,869.95-108,490.77

Finding the Fourth Proportional to 189,008.82, 260,869.95 and 108,490.77

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Solution

The fourth proportional to 189,008.82, 260,869.95 and 108,490.77 is: 149,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,008.82 : 260,869.95 = 108,490.77 : x
  2. Step 2: Convert to fraction form
    189,008.82/260,869.95 = 108,490.77/x
  3. Step 3: Cross multiply
    189,008.82x = 260,869.95 × 108,490.77
  4. Step 4: Simplify right side
    189,008.82x = 28,301,981,745.36
  5. Step 5: Solve for x
    x = 28,301,981,745.36/189,008.82
  6. Step 6: Final answer
    x = 149,738.95

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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.