Home / 134,131.42-185,040.48-83,130.58

Finding the Fourth Proportional to 134,131.42, 185,040.48 and 83,130.58

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Solution

The fourth proportional to 134,131.42, 185,040.48 and 83,130.58 is: 114,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,131.42 : 185,040.48 = 83,130.58 : x
  2. Step 2: Convert to fraction form
    134,131.42/185,040.48 = 83,130.58/x
  3. Step 3: Cross multiply
    134,131.42x = 185,040.48 × 83,130.58
  4. Step 4: Simplify right side
    134,131.42x = 15,382,522,425.88
  5. Step 5: Solve for x
    x = 15,382,522,425.88/134,131.42
  6. Step 6: Final answer
    x = 114,682.47

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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.