Home / 146,815.12-202,605.06-79,747.12

Finding the Fourth Proportional to 146,815.12, 202,605.06 and 79,747.12

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Solution

The fourth proportional to 146,815.12, 202,605.06 and 79,747.12 is: 110,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,815.12 : 202,605.06 = 79,747.12 : x
  2. Step 2: Convert to fraction form
    146,815.12/202,605.06 = 79,747.12/x
  3. Step 3: Cross multiply
    146,815.12x = 202,605.06 × 79,747.12
  4. Step 4: Simplify right side
    146,815.12x = 16,157,170,032.43
  5. Step 5: Solve for x
    x = 16,157,170,032.43/146,815.12
  6. Step 6: Final answer
    x = 110,051.13

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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.