Home / 98,513.41-147,790.87-31,948.34

Finding the Fourth Proportional to 98,513.41, 147,790.87 and 31,948.34

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Solution

The fourth proportional to 98,513.41, 147,790.87 and 31,948.34 is: 47,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,513.41 : 147,790.87 = 31,948.34 : x
  2. Step 2: Convert to fraction form
    98,513.41/147,790.87 = 31,948.34/x
  3. Step 3: Cross multiply
    98,513.41x = 147,790.87 × 31,948.34
  4. Step 4: Simplify right side
    98,513.41x = 4,721,673,554.72
  5. Step 5: Solve for x
    x = 4,721,673,554.72/98,513.41
  6. Step 6: Final answer
    x = 47,929.25

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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.