Home / 134,128.26-185,066.37-80,423.10

Finding the Fourth Proportional to 134,128.26, 185,066.37 and 80,423.10

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Solution

The fourth proportional to 134,128.26, 185,066.37 and 80,423.10 is: 110,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,128.26 : 185,066.37 = 80,423.10 : x
  2. Step 2: Convert to fraction form
    134,128.26/185,066.37 = 80,423.10/x
  3. Step 3: Cross multiply
    134,128.26x = 185,066.37 × 80,423.10
  4. Step 4: Simplify right side
    134,128.26x = 14,883,611,181.15
  5. Step 5: Solve for x
    x = 14,883,611,181.15/134,128.26
  6. Step 6: Final answer
    x = 110,965.51

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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.