Home / 77,812.88-116,730.12-25,205.36

Finding the Fourth Proportional to 77,812.88, 116,730.12 and 25,205.36

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Solution

The fourth proportional to 77,812.88, 116,730.12 and 25,205.36 is: 37,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,812.88 : 116,730.12 = 25,205.36 : x
  2. Step 2: Convert to fraction form
    77,812.88/116,730.12 = 25,205.36/x
  3. Step 3: Cross multiply
    77,812.88x = 116,730.12 × 25,205.36
  4. Step 4: Simplify right side
    77,812.88x = 2,942,224,697.44
  5. Step 5: Solve for x
    x = 2,942,224,697.44/77,812.88
  6. Step 6: Final answer
    x = 37,811.54

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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.