Home / 134,265.10-201,452.38-86,287.44

Finding the Fourth Proportional to 134,265.10, 201,452.38 and 86,287.44

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Solution

The fourth proportional to 134,265.10, 201,452.38 and 86,287.44 is: 129,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,265.10 : 201,452.38 = 86,287.44 : x
  2. Step 2: Convert to fraction form
    134,265.10/201,452.38 = 86,287.44/x
  3. Step 3: Cross multiply
    134,265.10x = 201,452.38 × 86,287.44
  4. Step 4: Simplify right side
    134,265.10x = 17,382,810,152.11
  5. Step 5: Solve for x
    x = 17,382,810,152.11/134,265.10
  6. Step 6: Final answer
    x = 129,466.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.