Home / 146,639.88-202,454.46-112,580.54

Finding the Fourth Proportional to 146,639.88, 202,454.46 and 112,580.54

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Solution

The fourth proportional to 146,639.88, 202,454.46 and 112,580.54 is: 155,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,639.88 : 202,454.46 = 112,580.54 : x
  2. Step 2: Convert to fraction form
    146,639.88/202,454.46 = 112,580.54/x
  3. Step 3: Cross multiply
    146,639.88x = 202,454.46 × 112,580.54
  4. Step 4: Simplify right side
    146,639.88x = 22,792,432,432.21
  5. Step 5: Solve for x
    x = 22,792,432,432.21/146,639.88
  6. Step 6: Final answer
    x = 155,431.34

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1.5x scale

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.