Home / 77,223.20-116,007.60-74,074.40

Finding the Fourth Proportional to 77,223.20, 116,007.60 and 74,074.40

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Solution

The fourth proportional to 77,223.20, 116,007.60 and 74,074.40 is: 111,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,223.20 : 116,007.60 = 74,074.40 : x
  2. Step 2: Convert to fraction form
    77,223.20/116,007.60 = 74,074.40/x
  3. Step 3: Cross multiply
    77,223.20x = 116,007.60 × 74,074.40
  4. Step 4: Simplify right side
    77,223.20x = 8,593,193,365.44
  5. Step 5: Solve for x
    x = 8,593,193,365.44/77,223.20
  6. Step 6: Final answer
    x = 111,277.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.