Home / 149,453.22-206,228.70-89,015.34

Finding the Fourth Proportional to 149,453.22, 206,228.70 and 89,015.34

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Solution

The fourth proportional to 149,453.22, 206,228.70 and 89,015.34 is: 122,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,453.22 : 206,228.70 = 89,015.34 : x
  2. Step 2: Convert to fraction form
    149,453.22/206,228.70 = 89,015.34/x
  3. Step 3: Cross multiply
    149,453.22x = 206,228.70 × 89,015.34
  4. Step 4: Simplify right side
    149,453.22x = 18,357,517,848.26
  5. Step 5: Solve for x
    x = 18,357,517,848.26/149,453.22
  6. Step 6: Final answer
    x = 122,831.20

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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.