Home / 149,508.21-206,297.76-89,077.35

Finding the Fourth Proportional to 149,508.21, 206,297.76 and 89,077.35

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Solution

The fourth proportional to 149,508.21, 206,297.76 and 89,077.35 is: 122,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,508.21 : 206,297.76 = 89,077.35 : x
  2. Step 2: Convert to fraction form
    149,508.21/206,297.76 = 89,077.35/x
  3. Step 3: Cross multiply
    149,508.21x = 206,297.76 × 89,077.35
  4. Step 4: Simplify right side
    149,508.21x = 18,376,457,771.74
  5. Step 5: Solve for x
    x = 18,376,457,771.74/149,508.21
  6. Step 6: Final answer
    x = 122,912.70

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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.