Home / 98,511.06-147,788.21-31,957.92

Finding the Fourth Proportional to 98,511.06, 147,788.21 and 31,957.92

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Solution

The fourth proportional to 98,511.06, 147,788.21 and 31,957.92 is: 47,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,511.06 : 147,788.21 = 31,957.92 : x
  2. Step 2: Convert to fraction form
    98,511.06/147,788.21 = 31,957.92/x
  3. Step 3: Cross multiply
    98,511.06x = 147,788.21 × 31,957.92
  4. Step 4: Simplify right side
    98,511.06x = 4,723,003,792.12
  5. Step 5: Solve for x
    x = 4,723,003,792.12/98,511.06
  6. Step 6: Final answer
    x = 47,943.89

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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.