Home / 145,976.16-201,412.63-82,301.65

Finding the Fourth Proportional to 145,976.16, 201,412.63 and 82,301.65

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Solution

The fourth proportional to 145,976.16, 201,412.63 and 82,301.65 is: 113,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,976.16 : 201,412.63 = 82,301.65 : x
  2. Step 2: Convert to fraction form
    145,976.16/201,412.63 = 82,301.65/x
  3. Step 3: Cross multiply
    145,976.16x = 201,412.63 × 82,301.65
  4. Step 4: Simplify right side
    145,976.16x = 16,576,591,574.09
  5. Step 5: Solve for x
    x = 16,576,591,574.09/145,976.16
  6. Step 6: Final answer
    x = 113,556.84

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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.