Home / 203,470.10-280,802.82-112,834.46

Finding the Fourth Proportional to 203,470.10, 280,802.82 and 112,834.46

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Solution

The fourth proportional to 203,470.10, 280,802.82 and 112,834.46 is: 155,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,470.10 : 280,802.82 = 112,834.46 : x
  2. Step 2: Convert to fraction form
    203,470.10/280,802.82 = 112,834.46/x
  3. Step 3: Cross multiply
    203,470.10x = 280,802.82 × 112,834.46
  4. Step 4: Simplify right side
    203,470.10x = 31,684,234,561.18
  5. Step 5: Solve for x
    x = 31,684,234,561.18/203,470.10
  6. Step 6: Final answer
    x = 155,719.36

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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.