Home / 104,375.28-143,928.96-61,925.60

Finding the Fourth Proportional to 104,375.28, 143,928.96 and 61,925.60

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Solution

The fourth proportional to 104,375.28, 143,928.96 and 61,925.60 is: 85,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,375.28 : 143,928.96 = 61,925.60 : x
  2. Step 2: Convert to fraction form
    104,375.28/143,928.96 = 61,925.60/x
  3. Step 3: Cross multiply
    104,375.28x = 143,928.96 × 61,925.60
  4. Step 4: Simplify right side
    104,375.28x = 8,912,887,205.38
  5. Step 5: Solve for x
    x = 8,912,887,205.38/104,375.28
  6. Step 6: Final answer
    x = 85,392.70

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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.