Home / 112,364.44-155,059.86-61,378.54

Finding the Fourth Proportional to 112,364.44, 155,059.86 and 61,378.54

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Solution

The fourth proportional to 112,364.44, 155,059.86 and 61,378.54 is: 84,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,364.44 : 155,059.86 = 61,378.54 : x
  2. Step 2: Convert to fraction form
    112,364.44/155,059.86 = 61,378.54/x
  3. Step 3: Cross multiply
    112,364.44x = 155,059.86 × 61,378.54
  4. Step 4: Simplify right side
    112,364.44x = 9,517,347,819.40
  5. Step 5: Solve for x
    x = 9,517,347,819.40/112,364.44
  6. Step 6: Final answer
    x = 84,700.71

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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.