Home / 231,935.10-320,065.02-136,447.94

Finding the Fourth Proportional to 231,935.10, 320,065.02 and 136,447.94

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Solution

The fourth proportional to 231,935.10, 320,065.02 and 136,447.94 is: 188,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,935.10 : 320,065.02 = 136,447.94 : x
  2. Step 2: Convert to fraction form
    231,935.10/320,065.02 = 136,447.94/x
  3. Step 3: Cross multiply
    231,935.10x = 320,065.02 × 136,447.94
  4. Step 4: Simplify right side
    231,935.10x = 43,672,213,445.22
  5. Step 5: Solve for x
    x = 43,672,213,445.22/231,935.10
  6. Step 6: Final answer
    x = 188,294.98

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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.