Home / 213,359.20-294,431.46-117,865

Finding the Fourth Proportional to 213,359.20, 294,431.46 and 117,865

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Solution

The fourth proportional to 213,359.20, 294,431.46 and 117,865 is: 162,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,359.20 : 294,431.46 = 117,865 : x
  2. Step 2: Convert to fraction form
    213,359.20/294,431.46 = 117,865/x
  3. Step 3: Cross multiply
    213,359.20x = 294,431.46 × 117,865
  4. Step 4: Simplify right side
    213,359.20x = 34,703,164,032.90
  5. Step 5: Solve for x
    x = 34,703,164,032.90/213,359.20
  6. Step 6: Final answer
    x = 162,651.36

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1.5x scale

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.