Home / 98,243.26-147,265.86-56,109.48

Finding the Fourth Proportional to 98,243.26, 147,265.86 and 56,109.48

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Solution

The fourth proportional to 98,243.26, 147,265.86 and 56,109.48 is: 84,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,243.26 : 147,265.86 = 56,109.48 : x
  2. Step 2: Convert to fraction form
    98,243.26/147,265.86 = 56,109.48/x
  3. Step 3: Cross multiply
    98,243.26x = 147,265.86 × 56,109.48
  4. Step 4: Simplify right side
    98,243.26x = 8,263,010,826.35
  5. Step 5: Solve for x
    x = 8,263,010,826.35/98,243.26
  6. Step 6: Final answer
    x = 84,107.66

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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.