Home / 157,067.78-235,618.07-90,582.98

Finding the Fourth Proportional to 157,067.78, 235,618.07 and 90,582.98

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Solution

The fourth proportional to 157,067.78, 235,618.07 and 90,582.98 is: 135,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,067.78 : 235,618.07 = 90,582.98 : x
  2. Step 2: Convert to fraction form
    157,067.78/235,618.07 = 90,582.98/x
  3. Step 3: Cross multiply
    157,067.78x = 235,618.07 × 90,582.98
  4. Step 4: Simplify right side
    157,067.78x = 21,342,985,291.44
  5. Step 5: Solve for x
    x = 21,342,985,291.44/157,067.78
  6. Step 6: Final answer
    x = 135,883.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.