Home / 110,020.64-151,815.88-61,615.84

Finding the Fourth Proportional to 110,020.64, 151,815.88 and 61,615.84

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Solution

The fourth proportional to 110,020.64, 151,815.88 and 61,615.84 is: 85,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,020.64 : 151,815.88 = 61,615.84 : x
  2. Step 2: Convert to fraction form
    110,020.64/151,815.88 = 61,615.84/x
  3. Step 3: Cross multiply
    110,020.64x = 151,815.88 × 61,615.84
  4. Step 4: Simplify right side
    110,020.64x = 9,354,262,971.54
  5. Step 5: Solve for x
    x = 9,354,262,971.54/110,020.64
  6. Step 6: Final answer
    x = 85,022.80

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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.