Home / 146,146.12-201,668.28-85,705.64

Finding the Fourth Proportional to 146,146.12, 201,668.28 and 85,705.64

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Solution

The fourth proportional to 146,146.12, 201,668.28 and 85,705.64 is: 118,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,146.12 : 201,668.28 = 85,705.64 : x
  2. Step 2: Convert to fraction form
    146,146.12/201,668.28 = 85,705.64/x
  3. Step 3: Cross multiply
    146,146.12x = 201,668.28 × 85,705.64
  4. Step 4: Simplify right side
    146,146.12x = 17,284,110,048.10
  5. Step 5: Solve for x
    x = 17,284,110,048.10/146,146.12
  6. Step 6: Final answer
    x = 118,265.95

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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.