Home / 98,513.03-147,790.31-31,947.97

Finding the Fourth Proportional to 98,513.03, 147,790.31 and 31,947.97

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Solution

The fourth proportional to 98,513.03, 147,790.31 and 31,947.97 is: 47,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,513.03 : 147,790.31 = 31,947.97 : x
  2. Step 2: Convert to fraction form
    98,513.03/147,790.31 = 31,947.97/x
  3. Step 3: Cross multiply
    98,513.03x = 147,790.31 × 31,947.97
  4. Step 4: Simplify right side
    98,513.03x = 4,721,600,138.06
  5. Step 5: Solve for x
    x = 4,721,600,138.06/98,513.03
  6. Step 6: Final answer
    x = 47,928.69

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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.