Home / 131,371.24-197,061.12-51,406.08

Finding the Fourth Proportional to 131,371.24, 197,061.12 and 51,406.08

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Solution

The fourth proportional to 131,371.24, 197,061.12 and 51,406.08 is: 77,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,371.24 : 197,061.12 = 51,406.08 : x
  2. Step 2: Convert to fraction form
    131,371.24/197,061.12 = 51,406.08/x
  3. Step 3: Cross multiply
    131,371.24x = 197,061.12 × 51,406.08
  4. Step 4: Simplify right side
    131,371.24x = 10,130,139,699.61
  5. Step 5: Solve for x
    x = 10,130,139,699.61/131,371.24
  6. Step 6: Final answer
    x = 77,110.79

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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.