Home / 124,653.38-171,961.83-90,609.08

Finding the Fourth Proportional to 124,653.38, 171,961.83 and 90,609.08

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Solution

The fourth proportional to 124,653.38, 171,961.83 and 90,609.08 is: 124,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,653.38 : 171,961.83 = 90,609.08 : x
  2. Step 2: Convert to fraction form
    124,653.38/171,961.83 = 90,609.08/x
  3. Step 3: Cross multiply
    124,653.38x = 171,961.83 × 90,609.08
  4. Step 4: Simplify right side
    124,653.38x = 15,581,303,211.42
  5. Step 5: Solve for x
    x = 15,581,303,211.42/124,653.38
  6. Step 6: Final answer
    x = 124,997.04

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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.