Home / 205,785.04-284,027.70-125,238.46

Finding the Fourth Proportional to 205,785.04, 284,027.70 and 125,238.46

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Solution

The fourth proportional to 205,785.04, 284,027.70 and 125,238.46 is: 172,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,785.04 : 284,027.70 = 125,238.46 : x
  2. Step 2: Convert to fraction form
    205,785.04/284,027.70 = 125,238.46/x
  3. Step 3: Cross multiply
    205,785.04x = 284,027.70 × 125,238.46
  4. Step 4: Simplify right side
    205,785.04x = 35,571,191,745.34
  5. Step 5: Solve for x
    x = 35,571,191,745.34/205,785.04
  6. Step 6: Final answer
    x = 172,856.06

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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.