Home / 98,215.82-147,397.10-66,550.80

Finding the Fourth Proportional to 98,215.82, 147,397.10 and 66,550.80

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Solution

The fourth proportional to 98,215.82, 147,397.10 and 66,550.80 is: 99,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,215.82 : 147,397.10 = 66,550.80 : x
  2. Step 2: Convert to fraction form
    98,215.82/147,397.10 = 66,550.80/x
  3. Step 3: Cross multiply
    98,215.82x = 147,397.10 × 66,550.80
  4. Step 4: Simplify right side
    98,215.82x = 9,809,394,922.68
  5. Step 5: Solve for x
    x = 9,809,394,922.68/98,215.82
  6. Step 6: Final answer
    x = 99,875.92

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1.5x scale

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.