Home / 149,497.74-206,356.86-89,087.34

Finding the Fourth Proportional to 149,497.74, 206,356.86 and 89,087.34

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Solution

The fourth proportional to 149,497.74, 206,356.86 and 89,087.34 is: 122,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,497.74 : 206,356.86 = 89,087.34 : x
  2. Step 2: Convert to fraction form
    149,497.74/206,356.86 = 89,087.34/x
  3. Step 3: Cross multiply
    149,497.74x = 206,356.86 × 89,087.34
  4. Step 4: Simplify right side
    149,497.74x = 18,383,783,748.15
  5. Step 5: Solve for x
    x = 18,383,783,748.15/149,497.74
  6. Step 6: Final answer
    x = 122,970.31

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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.