Home / 107,351.93-161,006.03-40,768.72

Finding the Fourth Proportional to 107,351.93, 161,006.03 and 40,768.72

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Solution

The fourth proportional to 107,351.93, 161,006.03 and 40,768.72 is: 61,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,351.93 : 161,006.03 = 40,768.72 : x
  2. Step 2: Convert to fraction form
    107,351.93/161,006.03 = 40,768.72/x
  3. Step 3: Cross multiply
    107,351.93x = 161,006.03 × 40,768.72
  4. Step 4: Simplify right side
    107,351.93x = 6,564,009,301.91
  5. Step 5: Solve for x
    x = 6,564,009,301.91/107,351.93
  6. Step 6: Final answer
    x = 61,144.77

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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.