Home / 212,730.60-293,568.25-115,934.49

Finding the Fourth Proportional to 212,730.60, 293,568.25 and 115,934.49

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Solution

The fourth proportional to 212,730.60, 293,568.25 and 115,934.49 is: 159,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,730.60 : 293,568.25 = 115,934.49 : x
  2. Step 2: Convert to fraction form
    212,730.60/293,568.25 = 115,934.49/x
  3. Step 3: Cross multiply
    212,730.60x = 293,568.25 × 115,934.49
  4. Step 4: Simplify right side
    212,730.60x = 34,034,685,271.48
  5. Step 5: Solve for x
    x = 34,034,685,271.48/212,730.60
  6. Step 6: Final answer
    x = 159,989.61

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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.