Home / 154,822.32-213,720.12-104,589.36

Finding the Fourth Proportional to 154,822.32, 213,720.12 and 104,589.36

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Solution

The fourth proportional to 154,822.32, 213,720.12 and 104,589.36 is: 144,377.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,822.32 : 213,720.12 = 104,589.36 : x
  2. Step 2: Convert to fraction form
    154,822.32/213,720.12 = 104,589.36/x
  3. Step 3: Cross multiply
    154,822.32x = 213,720.12 × 104,589.36
  4. Step 4: Simplify right side
    154,822.32x = 22,352,850,569.92
  5. Step 5: Solve for x
    x = 22,352,850,569.92/154,822.32
  6. Step 6: Final answer
    x = 144,377.44

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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.