Home / 136,971.03-205,521.71-94,915.83

Finding the Fourth Proportional to 136,971.03, 205,521.71 and 94,915.83

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Solution

The fourth proportional to 136,971.03, 205,521.71 and 94,915.83 is: 142,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,971.03 : 205,521.71 = 94,915.83 : x
  2. Step 2: Convert to fraction form
    136,971.03/205,521.71 = 94,915.83/x
  3. Step 3: Cross multiply
    136,971.03x = 205,521.71 × 94,915.83
  4. Step 4: Simplify right side
    136,971.03x = 19,507,263,213.09
  5. Step 5: Solve for x
    x = 19,507,263,213.09/136,971.03
  6. Step 6: Final answer
    x = 142,418.90

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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.