Home / 213,719.88-294,933.65-118,233.03

Finding the Fourth Proportional to 213,719.88, 294,933.65 and 118,233.03

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Solution

The fourth proportional to 213,719.88, 294,933.65 and 118,233.03 is: 163,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,719.88 : 294,933.65 = 118,233.03 : x
  2. Step 2: Convert to fraction form
    213,719.88/294,933.65 = 118,233.03/x
  3. Step 3: Cross multiply
    213,719.88x = 294,933.65 × 118,233.03
  4. Step 4: Simplify right side
    213,719.88x = 34,870,898,497.29
  5. Step 5: Solve for x
    x = 34,870,898,497.29/213,719.88
  6. Step 6: Final answer
    x = 163,161.70

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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.