Home / 189,773.24-284,429.69-139,386.12

Finding the Fourth Proportional to 189,773.24, 284,429.69 and 139,386.12

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Solution

The fourth proportional to 189,773.24, 284,429.69 and 139,386.12 is: 208,910.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,773.24 : 284,429.69 = 139,386.12 : x
  2. Step 2: Convert to fraction form
    189,773.24/284,429.69 = 139,386.12/x
  3. Step 3: Cross multiply
    189,773.24x = 284,429.69 × 139,386.12
  4. Step 4: Simplify right side
    189,773.24x = 39,645,550,204.97
  5. Step 5: Solve for x
    x = 39,645,550,204.97/189,773.24
  6. Step 6: Final answer
    x = 208,910.12

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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.