Home / 207,923.76-311,924.07-65,804.85

Finding the Fourth Proportional to 207,923.76, 311,924.07 and 65,804.85

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Solution

The fourth proportional to 207,923.76, 311,924.07 and 65,804.85 is: 98,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,923.76 : 311,924.07 = 65,804.85 : x
  2. Step 2: Convert to fraction form
    207,923.76/311,924.07 = 65,804.85/x
  3. Step 3: Cross multiply
    207,923.76x = 311,924.07 × 65,804.85
  4. Step 4: Simplify right side
    207,923.76x = 20,526,116,637.74
  5. Step 5: Solve for x
    x = 20,526,116,637.74/207,923.76
  6. Step 6: Final answer
    x = 98,719.44

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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.