Home / 211,343.64-291,655.50-115,850.04

Finding the Fourth Proportional to 211,343.64, 291,655.50 and 115,850.04

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Solution

The fourth proportional to 211,343.64, 291,655.50 and 115,850.04 is: 159,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,343.64 : 291,655.50 = 115,850.04 : x
  2. Step 2: Convert to fraction form
    211,343.64/291,655.50 = 115,850.04/x
  3. Step 3: Cross multiply
    211,343.64x = 291,655.50 × 115,850.04
  4. Step 4: Simplify right side
    211,343.64x = 33,788,301,341.22
  5. Step 5: Solve for x
    x = 33,788,301,341.22/211,343.64
  6. Step 6: Final answer
    x = 159,873.76

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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.