Home / 146,337.80-219,498.06-90,188.60

Finding the Fourth Proportional to 146,337.80, 219,498.06 and 90,188.60

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Solution

The fourth proportional to 146,337.80, 219,498.06 and 90,188.60 is: 135,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,337.80 : 219,498.06 = 90,188.60 : x
  2. Step 2: Convert to fraction form
    146,337.80/219,498.06 = 90,188.60/x
  3. Step 3: Cross multiply
    146,337.80x = 219,498.06 × 90,188.60
  4. Step 4: Simplify right side
    146,337.80x = 19,796,222,734.12
  5. Step 5: Solve for x
    x = 19,796,222,734.12/146,337.80
  6. Step 6: Final answer
    x = 135,277.58

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1.5x scale

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.