Home / 107,270.28-148,039.68-61,956.54

Finding the Fourth Proportional to 107,270.28, 148,039.68 and 61,956.54

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Solution

The fourth proportional to 107,270.28, 148,039.68 and 61,956.54 is: 85,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,270.28 : 148,039.68 = 61,956.54 : x
  2. Step 2: Convert to fraction form
    107,270.28/148,039.68 = 61,956.54/x
  3. Step 3: Cross multiply
    107,270.28x = 148,039.68 × 61,956.54
  4. Step 4: Simplify right side
    107,270.28x = 9,172,026,355.51
  5. Step 5: Solve for x
    x = 9,172,026,355.51/107,270.28
  6. Step 6: Final answer
    x = 85,503.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.