Home / 109,696.79-164,512.58-46,515.98

Finding the Fourth Proportional to 109,696.79, 164,512.58 and 46,515.98

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Solution

The fourth proportional to 109,696.79, 164,512.58 and 46,515.98 is: 69,760.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,696.79 : 164,512.58 = 46,515.98 : x
  2. Step 2: Convert to fraction form
    109,696.79/164,512.58 = 46,515.98/x
  3. Step 3: Cross multiply
    109,696.79x = 164,512.58 × 46,515.98
  4. Step 4: Simplify right side
    109,696.79x = 7,652,462,825.89
  5. Step 5: Solve for x
    x = 7,652,462,825.89/109,696.79
  6. Step 6: Final answer
    x = 69,760.14

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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.