Home / 106,851.30-147,500.16-66,584.94

Finding the Fourth Proportional to 106,851.30, 147,500.16 and 66,584.94

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Solution

The fourth proportional to 106,851.30, 147,500.16 and 66,584.94 is: 91,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,851.30 : 147,500.16 = 66,584.94 : x
  2. Step 2: Convert to fraction form
    106,851.30/147,500.16 = 66,584.94/x
  3. Step 3: Cross multiply
    106,851.30x = 147,500.16 × 66,584.94
  4. Step 4: Simplify right side
    106,851.30x = 9,821,289,303.59
  5. Step 5: Solve for x
    x = 9,821,289,303.59/106,851.30
  6. Step 6: Final answer
    x = 91,915.49

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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.