Home / 131,423.10-197,151.04-51,450.74

Finding the Fourth Proportional to 131,423.10, 197,151.04 and 51,450.74

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Solution

The fourth proportional to 131,423.10, 197,151.04 and 51,450.74 is: 77,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.10 : 197,151.04 = 51,450.74 : x
  2. Step 2: Convert to fraction form
    131,423.10/197,151.04 = 51,450.74/x
  3. Step 3: Cross multiply
    131,423.10x = 197,151.04 × 51,450.74
  4. Step 4: Simplify right side
    131,423.10x = 10,143,566,899.77
  5. Step 5: Solve for x
    x = 10,143,566,899.77/131,423.10
  6. Step 6: Final answer
    x = 77,182.53

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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.