Home / 146,763.21-202,479.57-89,379.12

Finding the Fourth Proportional to 146,763.21, 202,479.57 and 89,379.12

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Solution

The fourth proportional to 146,763.21, 202,479.57 and 89,379.12 is: 123,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,763.21 : 202,479.57 = 89,379.12 : x
  2. Step 2: Convert to fraction form
    146,763.21/202,479.57 = 89,379.12/x
  3. Step 3: Cross multiply
    146,763.21x = 202,479.57 × 89,379.12
  4. Step 4: Simplify right side
    146,763.21x = 18,097,445,784.58
  5. Step 5: Solve for x
    x = 18,097,445,784.58/146,763.21
  6. Step 6: Final answer
    x = 123,310.51

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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.