Home / 149,365.32-206,029.95-88,890.82

Finding the Fourth Proportional to 149,365.32, 206,029.95 and 88,890.82

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Solution

The fourth proportional to 149,365.32, 206,029.95 and 88,890.82 is: 122,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,365.32 : 206,029.95 = 88,890.82 : x
  2. Step 2: Convert to fraction form
    149,365.32/206,029.95 = 88,890.82/x
  3. Step 3: Cross multiply
    149,365.32x = 206,029.95 × 88,890.82
  4. Step 4: Simplify right side
    149,365.32x = 18,314,170,351.64
  5. Step 5: Solve for x
    x = 18,314,170,351.64/149,365.32
  6. Step 6: Final answer
    x = 122,613.27

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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.