Home / 211,629.32-292,052.01-116,144.90

Finding the Fourth Proportional to 211,629.32, 292,052.01 and 116,144.90

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Solution

The fourth proportional to 211,629.32, 292,052.01 and 116,144.90 is: 160,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,629.32 : 292,052.01 = 116,144.90 : x
  2. Step 2: Convert to fraction form
    211,629.32/292,052.01 = 116,144.90/x
  3. Step 3: Cross multiply
    211,629.32x = 292,052.01 × 116,144.90
  4. Step 4: Simplify right side
    211,629.32x = 33,920,351,496.25
  5. Step 5: Solve for x
    x = 33,920,351,496.25/211,629.32
  6. Step 6: Final answer
    x = 160,281.91

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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.