Home / 141,530.45-195,229.08-90,524.57

Finding the Fourth Proportional to 141,530.45, 195,229.08 and 90,524.57

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Solution

The fourth proportional to 141,530.45, 195,229.08 and 90,524.57 is: 124,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,530.45 : 195,229.08 = 90,524.57 : x
  2. Step 2: Convert to fraction form
    141,530.45/195,229.08 = 90,524.57/x
  3. Step 3: Cross multiply
    141,530.45x = 195,229.08 × 90,524.57
  4. Step 4: Simplify right side
    141,530.45x = 17,673,028,518.50
  5. Step 5: Solve for x
    x = 17,673,028,518.50/141,530.45
  6. Step 6: Final answer
    x = 124,870.86

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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.