Home / 146,019.10-219,028.65-90,723.10

Finding the Fourth Proportional to 146,019.10, 219,028.65 and 90,723.10

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Solution

The fourth proportional to 146,019.10, 219,028.65 and 90,723.10 is: 136,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,019.10 : 219,028.65 = 90,723.10 : x
  2. Step 2: Convert to fraction form
    146,019.10/219,028.65 = 90,723.10/x
  3. Step 3: Cross multiply
    146,019.10x = 219,028.65 × 90,723.10
  4. Step 4: Simplify right side
    146,019.10x = 19,870,958,116.82
  5. Step 5: Solve for x
    x = 19,870,958,116.82/146,019.10
  6. Step 6: Final answer
    x = 136,084.65

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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.