Home / 212,097.40-292,691.27-115,298.04

Finding the Fourth Proportional to 212,097.40, 292,691.27 and 115,298.04

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Solution

The fourth proportional to 212,097.40, 292,691.27 and 115,298.04 is: 159,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,097.40 : 292,691.27 = 115,298.04 : x
  2. Step 2: Convert to fraction form
    212,097.40/292,691.27 = 115,298.04/x
  3. Step 3: Cross multiply
    212,097.40x = 292,691.27 × 115,298.04
  4. Step 4: Simplify right side
    212,097.40x = 33,746,729,756.11
  5. Step 5: Solve for x
    x = 33,746,729,756.11/212,097.40
  6. Step 6: Final answer
    x = 159,109.59

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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.