Home / 146,954.80-220,494.60-80,317.08

Finding the Fourth Proportional to 146,954.80, 220,494.60 and 80,317.08

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Solution

The fourth proportional to 146,954.80, 220,494.60 and 80,317.08 is: 120,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,954.80 : 220,494.60 = 80,317.08 : x
  2. Step 2: Convert to fraction form
    146,954.80/220,494.60 = 80,317.08/x
  3. Step 3: Cross multiply
    146,954.80x = 220,494.60 × 80,317.08
  4. Step 4: Simplify right side
    146,954.80x = 17,709,482,427.77
  5. Step 5: Solve for x
    x = 17,709,482,427.77/146,954.80
  6. Step 6: Final answer
    x = 120,509.72

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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.