Home / 134,076.40-201,114.60-86,837.20

Finding the Fourth Proportional to 134,076.40, 201,114.60 and 86,837.20

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Solution

The fourth proportional to 134,076.40, 201,114.60 and 86,837.20 is: 130,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,076.40 : 201,114.60 = 86,837.20 : x
  2. Step 2: Convert to fraction form
    134,076.40/201,114.60 = 86,837.20/x
  3. Step 3: Cross multiply
    134,076.40x = 201,114.60 × 86,837.20
  4. Step 4: Simplify right side
    134,076.40x = 17,464,228,743.12
  5. Step 5: Solve for x
    x = 17,464,228,743.12/134,076.40
  6. Step 6: Final answer
    x = 130,255.80

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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.