Home / 149,601.15-206,485.02-85,975.83

Finding the Fourth Proportional to 149,601.15, 206,485.02 and 85,975.83

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Solution

The fourth proportional to 149,601.15, 206,485.02 and 85,975.83 is: 118,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,601.15 : 206,485.02 = 85,975.83 : x
  2. Step 2: Convert to fraction form
    149,601.15/206,485.02 = 85,975.83/x
  3. Step 3: Cross multiply
    149,601.15x = 206,485.02 × 85,975.83
  4. Step 4: Simplify right side
    149,601.15x = 17,752,720,977.07
  5. Step 5: Solve for x
    x = 17,752,720,977.07/149,601.15
  6. Step 6: Final answer
    x = 118,667.01

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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.