Home / 98,286.12-146,714.04-90,983.16

Finding the Fourth Proportional to 98,286.12, 146,714.04 and 90,983.16

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Solution

The fourth proportional to 98,286.12, 146,714.04 and 90,983.16 is: 135,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,286.12 : 146,714.04 = 90,983.16 : x
  2. Step 2: Convert to fraction form
    98,286.12/146,714.04 = 90,983.16/x
  3. Step 3: Cross multiply
    98,286.12x = 146,714.04 × 90,983.16
  4. Step 4: Simplify right side
    98,286.12x = 13,348,506,975.57
  5. Step 5: Solve for x
    x = 13,348,506,975.57/98,286.12
  6. Step 6: Final answer
    x = 135,812.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.