Home / 94,682.94-130,759.70-78,608.49

Finding the Fourth Proportional to 94,682.94, 130,759.70 and 78,608.49

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Solution

The fourth proportional to 94,682.94, 130,759.70 and 78,608.49 is: 108,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,682.94 : 130,759.70 = 78,608.49 : x
  2. Step 2: Convert to fraction form
    94,682.94/130,759.70 = 78,608.49/x
  3. Step 3: Cross multiply
    94,682.94x = 130,759.70 × 78,608.49
  4. Step 4: Simplify right side
    94,682.94x = 10,278,822,176.81
  5. Step 5: Solve for x
    x = 10,278,822,176.81/94,682.94
  6. Step 6: Final answer
    x = 108,560.45

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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.