Home / 131,895.12-197,762.94-51,837.27

Finding the Fourth Proportional to 131,895.12, 197,762.94 and 51,837.27

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Solution

The fourth proportional to 131,895.12, 197,762.94 and 51,837.27 is: 77,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,895.12 : 197,762.94 = 51,837.27 : x
  2. Step 2: Convert to fraction form
    131,895.12/197,762.94 = 51,837.27/x
  3. Step 3: Cross multiply
    131,895.12x = 197,762.94 × 51,837.27
  4. Step 4: Simplify right side
    131,895.12x = 10,251,490,916.77
  5. Step 5: Solve for x
    x = 10,251,490,916.77/131,895.12
  6. Step 6: Final answer
    x = 77,724.57

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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.