Home / 134,242.66-185,239.53-107,375.38

Finding the Fourth Proportional to 134,242.66, 185,239.53 and 107,375.38

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Solution

The fourth proportional to 134,242.66, 185,239.53 and 107,375.38 is: 148,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,242.66 : 185,239.53 = 107,375.38 : x
  2. Step 2: Convert to fraction form
    134,242.66/185,239.53 = 107,375.38/x
  3. Step 3: Cross multiply
    134,242.66x = 185,239.53 × 107,375.38
  4. Step 4: Simplify right side
    134,242.66x = 19,890,164,924.77
  5. Step 5: Solve for x
    x = 19,890,164,924.77/134,242.66
  6. Step 6: Final answer
    x = 148,165.75

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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.