Home / 207,904.86-311,895.70-65,785.91

Finding the Fourth Proportional to 207,904.86, 311,895.70 and 65,785.91

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Solution

The fourth proportional to 207,904.86, 311,895.70 and 65,785.91 is: 98,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,904.86 : 311,895.70 = 65,785.91 : x
  2. Step 2: Convert to fraction form
    207,904.86/311,895.70 = 65,785.91/x
  3. Step 3: Cross multiply
    207,904.86x = 311,895.70 × 65,785.91
  4. Step 4: Simplify right side
    207,904.86x = 20,518,340,725.64
  5. Step 5: Solve for x
    x = 20,518,340,725.64/207,904.86
  6. Step 6: Final answer
    x = 98,691.01

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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.