Home / 134,003.22-200,742.05-77,725.10

Finding the Fourth Proportional to 134,003.22, 200,742.05 and 77,725.10

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Solution

The fourth proportional to 134,003.22, 200,742.05 and 77,725.10 is: 116,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,003.22 : 200,742.05 = 77,725.10 : x
  2. Step 2: Convert to fraction form
    134,003.22/200,742.05 = 77,725.10/x
  3. Step 3: Cross multiply
    134,003.22x = 200,742.05 × 77,725.10
  4. Step 4: Simplify right side
    134,003.22x = 15,602,694,518.12
  5. Step 5: Solve for x
    x = 15,602,694,518.12/134,003.22
  6. Step 6: Final answer
    x = 116,435.22

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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.