Home / 146,976.75-202,864.65-90,355.32

Finding the Fourth Proportional to 146,976.75, 202,864.65 and 90,355.32

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Solution

The fourth proportional to 146,976.75, 202,864.65 and 90,355.32 is: 124,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,976.75 : 202,864.65 = 90,355.32 : x
  2. Step 2: Convert to fraction form
    146,976.75/202,864.65 = 90,355.32/x
  3. Step 3: Cross multiply
    146,976.75x = 202,864.65 × 90,355.32
  4. Step 4: Simplify right side
    146,976.75x = 18,329,900,367.44
  5. Step 5: Solve for x
    x = 18,329,900,367.44/146,976.75
  6. Step 6: Final answer
    x = 124,712.92

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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.