Home / 211,377.60-291,546.54-134,949.24

Finding the Fourth Proportional to 211,377.60, 291,546.54 and 134,949.24

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Solution

The fourth proportional to 211,377.60, 291,546.54 and 134,949.24 is: 186,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,377.60 : 291,546.54 = 134,949.24 : x
  2. Step 2: Convert to fraction form
    211,377.60/291,546.54 = 134,949.24/x
  3. Step 3: Cross multiply
    211,377.60x = 291,546.54 × 134,949.24
  4. Step 4: Simplify right side
    211,377.60x = 39,343,983,997.63
  5. Step 5: Solve for x
    x = 39,343,983,997.63/211,377.60
  6. Step 6: Final answer
    x = 186,131.28

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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.