Home / 155,305.82-232,963.93-42,976.64

Finding the Fourth Proportional to 155,305.82, 232,963.93 and 42,976.64

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Solution

The fourth proportional to 155,305.82, 232,963.93 and 42,976.64 is: 64,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,305.82 : 232,963.93 = 42,976.64 : x
  2. Step 2: Convert to fraction form
    155,305.82/232,963.93 = 42,976.64/x
  3. Step 3: Cross multiply
    155,305.82x = 232,963.93 × 42,976.64
  4. Step 4: Simplify right side
    155,305.82x = 10,012,005,787.78
  5. Step 5: Solve for x
    x = 10,012,005,787.78/155,305.82
  6. Step 6: Final answer
    x = 64,466.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.