Home / 106,167.06-146,340.41-80,590.23

Finding the Fourth Proportional to 106,167.06, 146,340.41 and 80,590.23

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Solution

The fourth proportional to 106,167.06, 146,340.41 and 80,590.23 is: 111,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,167.06 : 146,340.41 = 80,590.23 : x
  2. Step 2: Convert to fraction form
    106,167.06/146,340.41 = 80,590.23/x
  3. Step 3: Cross multiply
    106,167.06x = 146,340.41 × 80,590.23
  4. Step 4: Simplify right side
    106,167.06x = 11,793,606,897.24
  5. Step 5: Solve for x
    x = 11,793,606,897.24/106,167.06
  6. Step 6: Final answer
    x = 111,085.37

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1.5x scale

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.