Home / 229,516.29-316,717.02-138,922.56

Finding the Fourth Proportional to 229,516.29, 316,717.02 and 138,922.56

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Solution

The fourth proportional to 229,516.29, 316,717.02 and 138,922.56 is: 191,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,516.29 : 316,717.02 = 138,922.56 : x
  2. Step 2: Convert to fraction form
    229,516.29/316,717.02 = 138,922.56/x
  3. Step 3: Cross multiply
    229,516.29x = 316,717.02 × 138,922.56
  4. Step 4: Simplify right side
    229,516.29x = 43,999,139,213.97
  5. Step 5: Solve for x
    x = 43,999,139,213.97/229,516.29
  6. Step 6: Final answer
    x = 191,703.77

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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.