Home / 212,273.08-292,934.43-158,067.72

Finding the Fourth Proportional to 212,273.08, 292,934.43 and 158,067.72

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Solution

The fourth proportional to 212,273.08, 292,934.43 and 158,067.72 is: 218,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,273.08 : 292,934.43 = 158,067.72 : x
  2. Step 2: Convert to fraction form
    212,273.08/292,934.43 = 158,067.72/x
  3. Step 3: Cross multiply
    212,273.08x = 292,934.43 × 158,067.72
  4. Step 4: Simplify right side
    212,273.08x = 46,303,477,459.60
  5. Step 5: Solve for x
    x = 46,303,477,459.60/212,273.08
  6. Step 6: Final answer
    x = 218,131.65

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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.