Home / 111,281.21-166,851.56-61,396.07

Finding the Fourth Proportional to 111,281.21, 166,851.56 and 61,396.07

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Solution

The fourth proportional to 111,281.21, 166,851.56 and 61,396.07 is: 92,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,281.21 : 166,851.56 = 61,396.07 : x
  2. Step 2: Convert to fraction form
    111,281.21/166,851.56 = 61,396.07/x
  3. Step 3: Cross multiply
    111,281.21x = 166,851.56 × 61,396.07
  4. Step 4: Simplify right side
    111,281.21x = 10,244,029,750.39
  5. Step 5: Solve for x
    x = 10,244,029,750.39/111,281.21
  6. Step 6: Final answer
    x = 92,055.34

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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.