Home / 98,684.12-147,943.16-39,487.50

Finding the Fourth Proportional to 98,684.12, 147,943.16 and 39,487.50

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Solution

The fourth proportional to 98,684.12, 147,943.16 and 39,487.50 is: 59,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,684.12 : 147,943.16 = 39,487.50 : x
  2. Step 2: Convert to fraction form
    98,684.12/147,943.16 = 39,487.50/x
  3. Step 3: Cross multiply
    98,684.12x = 147,943.16 × 39,487.50
  4. Step 4: Simplify right side
    98,684.12x = 5,841,905,481.14
  5. Step 5: Solve for x
    x = 5,841,905,481.14/98,684.12
  6. Step 6: Final answer
    x = 59,198.03

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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.