Home / 146,724.21-202,480.25-86,297.40

Finding the Fourth Proportional to 146,724.21, 202,480.25 and 86,297.40

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Solution

The fourth proportional to 146,724.21, 202,480.25 and 86,297.40 is: 119,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,724.21 : 202,480.25 = 86,297.40 : x
  2. Step 2: Convert to fraction form
    146,724.21/202,480.25 = 86,297.40/x
  3. Step 3: Cross multiply
    146,724.21x = 202,480.25 × 86,297.40
  4. Step 4: Simplify right side
    146,724.21x = 17,473,517,682.46
  5. Step 5: Solve for x
    x = 17,473,517,682.46/146,724.21
  6. Step 6: Final answer
    x = 119,090.90

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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.