Home / 146,690.87-202,434.03-83,040.93

Finding the Fourth Proportional to 146,690.87, 202,434.03 and 83,040.93

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Solution

The fourth proportional to 146,690.87, 202,434.03 and 83,040.93 is: 114,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,690.87 : 202,434.03 = 83,040.93 : x
  2. Step 2: Convert to fraction form
    146,690.87/202,434.03 = 83,040.93/x
  3. Step 3: Cross multiply
    146,690.87x = 202,434.03 × 83,040.93
  4. Step 4: Simplify right side
    146,690.87x = 16,810,310,114.85
  5. Step 5: Solve for x
    x = 16,810,310,114.85/146,690.87
  6. Step 6: Final answer
    x = 114,596.84

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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.