Home / 149,346.06-206,083.87-88,931.40

Finding the Fourth Proportional to 149,346.06, 206,083.87 and 88,931.40

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Solution

The fourth proportional to 149,346.06, 206,083.87 and 88,931.40 is: 122,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,346.06 : 206,083.87 = 88,931.40 : x
  2. Step 2: Convert to fraction form
    149,346.06/206,083.87 = 88,931.40/x
  3. Step 3: Cross multiply
    149,346.06x = 206,083.87 × 88,931.40
  4. Step 4: Simplify right side
    149,346.06x = 18,327,327,076.52
  5. Step 5: Solve for x
    x = 18,327,327,076.52/149,346.06
  6. Step 6: Final answer
    x = 122,717.18

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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.