Home / 205,811.29-284,012.43-113,934.56

Finding the Fourth Proportional to 205,811.29, 284,012.43 and 113,934.56

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Solution

The fourth proportional to 205,811.29, 284,012.43 and 113,934.56 is: 157,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,811.29 : 284,012.43 = 113,934.56 : x
  2. Step 2: Convert to fraction form
    205,811.29/284,012.43 = 113,934.56/x
  3. Step 3: Cross multiply
    205,811.29x = 284,012.43 × 113,934.56
  4. Step 4: Simplify right side
    205,811.29x = 32,358,831,246.58
  5. Step 5: Solve for x
    x = 32,358,831,246.58/205,811.29
  6. Step 6: Final answer
    x = 157,225.74

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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.