Home / 98,982.02-136,657.47-68,757.62

Finding the Fourth Proportional to 98,982.02, 136,657.47 and 68,757.62

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Solution

The fourth proportional to 98,982.02, 136,657.47 and 68,757.62 is: 94,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982.02 : 136,657.47 = 68,757.62 : x
  2. Step 2: Convert to fraction form
    98,982.02/136,657.47 = 68,757.62/x
  3. Step 3: Cross multiply
    98,982.02x = 136,657.47 × 68,757.62
  4. Step 4: Simplify right side
    98,982.02x = 9,396,242,392.42
  5. Step 5: Solve for x
    x = 9,396,242,392.42/98,982.02
  6. Step 6: Final answer
    x = 94,928.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.