Home / 131,406.71-197,139.23-61,247.75

Finding the Fourth Proportional to 131,406.71, 197,139.23 and 61,247.75

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Solution

The fourth proportional to 131,406.71, 197,139.23 and 61,247.75 is: 91,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,406.71 : 197,139.23 = 61,247.75 : x
  2. Step 2: Convert to fraction form
    131,406.71/197,139.23 = 61,247.75/x
  3. Step 3: Cross multiply
    131,406.71x = 197,139.23 × 61,247.75
  4. Step 4: Simplify right side
    131,406.71x = 12,074,333,967.99
  5. Step 5: Solve for x
    x = 12,074,333,967.99/131,406.71
  6. Step 6: Final answer
    x = 91,885.22

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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.