Home / 212,730.46-293,568.10-115,934.36

Finding the Fourth Proportional to 212,730.46, 293,568.10 and 115,934.36

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Solution

The fourth proportional to 212,730.46, 293,568.10 and 115,934.36 is: 159,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,730.46 : 293,568.10 = 115,934.36 : x
  2. Step 2: Convert to fraction form
    212,730.46/293,568.10 = 115,934.36/x
  3. Step 3: Cross multiply
    212,730.46x = 293,568.10 × 115,934.36
  4. Step 4: Simplify right side
    212,730.46x = 34,034,629,789.92
  5. Step 5: Solve for x
    x = 34,034,629,789.92/212,730.46
  6. Step 6: Final answer
    x = 159,989.45

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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.