Home / 145,717.44-201,084.66-81,185.16

Finding the Fourth Proportional to 145,717.44, 201,084.66 and 81,185.16

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Solution

The fourth proportional to 145,717.44, 201,084.66 and 81,185.16 is: 112,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,717.44 : 201,084.66 = 81,185.16 : x
  2. Step 2: Convert to fraction form
    145,717.44/201,084.66 = 81,185.16/x
  3. Step 3: Cross multiply
    145,717.44x = 201,084.66 × 81,185.16
  4. Step 4: Simplify right side
    145,717.44x = 16,325,090,295.65
  5. Step 5: Solve for x
    x = 16,325,090,295.65/145,717.44
  6. Step 6: Final answer
    x = 112,032.51

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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.