Home / 134,619.40-201,929.10-108,375.40

Finding the Fourth Proportional to 134,619.40, 201,929.10 and 108,375.40

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Solution

The fourth proportional to 134,619.40, 201,929.10 and 108,375.40 is: 162,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,619.40 : 201,929.10 = 108,375.40 : x
  2. Step 2: Convert to fraction form
    134,619.40/201,929.10 = 108,375.40/x
  3. Step 3: Cross multiply
    134,619.40x = 201,929.10 × 108,375.40
  4. Step 4: Simplify right side
    134,619.40x = 21,884,146,984.14
  5. Step 5: Solve for x
    x = 21,884,146,984.14/134,619.40
  6. Step 6: Final answer
    x = 162,563.10

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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.