Home / 98,297.59-135,646.20-60,121.07

Finding the Fourth Proportional to 98,297.59, 135,646.20 and 60,121.07

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Solution

The fourth proportional to 98,297.59, 135,646.20 and 60,121.07 is: 82,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,297.59 : 135,646.20 = 60,121.07 : x
  2. Step 2: Convert to fraction form
    98,297.59/135,646.20 = 60,121.07/x
  3. Step 3: Cross multiply
    98,297.59x = 135,646.20 × 60,121.07
  4. Step 4: Simplify right side
    98,297.59x = 8,155,194,685.43
  5. Step 5: Solve for x
    x = 8,155,194,685.43/98,297.59
  6. Step 6: Final answer
    x = 82,964.34

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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.