Home / 207,834.10-311,842.95-101,158.90

Finding the Fourth Proportional to 207,834.10, 311,842.95 and 101,158.90

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Solution

The fourth proportional to 207,834.10, 311,842.95 and 101,158.90 is: 151,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,834.10 : 311,842.95 = 101,158.90 : x
  2. Step 2: Convert to fraction form
    207,834.10/311,842.95 = 101,158.90/x
  3. Step 3: Cross multiply
    207,834.10x = 311,842.95 × 101,158.90
  4. Step 4: Simplify right side
    207,834.10x = 31,545,689,794.76
  5. Step 5: Solve for x
    x = 31,545,689,794.76/207,834.10
  6. Step 6: Final answer
    x = 151,783.03

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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.