Home / 205,811.64-284,035.32-115,176.69

Finding the Fourth Proportional to 205,811.64, 284,035.32 and 115,176.69

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Solution

The fourth proportional to 205,811.64, 284,035.32 and 115,176.69 is: 158,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,811.64 : 284,035.32 = 115,176.69 : x
  2. Step 2: Convert to fraction form
    205,811.64/284,035.32 = 115,176.69/x
  3. Step 3: Cross multiply
    205,811.64x = 284,035.32 × 115,176.69
  4. Step 4: Simplify right side
    205,811.64x = 32,714,248,000.69
  5. Step 5: Solve for x
    x = 32,714,248,000.69/205,811.64
  6. Step 6: Final answer
    x = 158,952.37

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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.