Home / 141,685.23-195,524.64-78,022.50

Finding the Fourth Proportional to 141,685.23, 195,524.64 and 78,022.50

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Solution

The fourth proportional to 141,685.23, 195,524.64 and 78,022.50 is: 107,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,685.23 : 195,524.64 = 78,022.50 : x
  2. Step 2: Convert to fraction form
    141,685.23/195,524.64 = 78,022.50/x
  3. Step 3: Cross multiply
    141,685.23x = 195,524.64 × 78,022.50
  4. Step 4: Simplify right side
    141,685.23x = 15,255,321,224.40
  5. Step 5: Solve for x
    x = 15,255,321,224.40/141,685.23
  6. Step 6: Final answer
    x = 107,670.51

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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.