Home / 149,223.44-206,004.40-115,155.38

Finding the Fourth Proportional to 149,223.44, 206,004.40 and 115,155.38

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Solution

The fourth proportional to 149,223.44, 206,004.40 and 115,155.38 is: 158,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,223.44 : 206,004.40 = 115,155.38 : x
  2. Step 2: Convert to fraction form
    149,223.44/206,004.40 = 115,155.38/x
  3. Step 3: Cross multiply
    149,223.44x = 206,004.40 × 115,155.38
  4. Step 4: Simplify right side
    149,223.44x = 23,722,514,963.67
  5. Step 5: Solve for x
    x = 23,722,514,963.67/149,223.44
  6. Step 6: Final answer
    x = 158,973.11

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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.