Home / 245,911.11-368,667.77-103,664.54

Finding the Fourth Proportional to 245,911.11, 368,667.77 and 103,664.54

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Solution

The fourth proportional to 245,911.11, 368,667.77 and 103,664.54 is: 155,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,911.11 : 368,667.77 = 103,664.54 : x
  2. Step 2: Convert to fraction form
    245,911.11/368,667.77 = 103,664.54/x
  3. Step 3: Cross multiply
    245,911.11x = 368,667.77 × 103,664.54
  4. Step 4: Simplify right side
    245,911.11x = 38,217,772,428.21
  5. Step 5: Solve for x
    x = 38,217,772,428.21/245,911.11
  6. Step 6: Final answer
    x = 155,412.96

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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.