Home / 189,370.68-283,785.26-139,056.04

Finding the Fourth Proportional to 189,370.68, 283,785.26 and 139,056.04

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Solution

The fourth proportional to 189,370.68, 283,785.26 and 139,056.04 is: 208,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,370.68 : 283,785.26 = 139,056.04 : x
  2. Step 2: Convert to fraction form
    189,370.68/283,785.26 = 139,056.04/x
  3. Step 3: Cross multiply
    189,370.68x = 283,785.26 × 139,056.04
  4. Step 4: Simplify right side
    189,370.68x = 39,462,054,465.97
  5. Step 5: Solve for x
    x = 39,462,054,465.97/189,370.68
  6. Step 6: Final answer
    x = 208,385.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.