Home / 164,515.20-246,772.80-141,187.20

Finding the Fourth Proportional to 164,515.20, 246,772.80 and 141,187.20

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Solution

The fourth proportional to 164,515.20, 246,772.80 and 141,187.20 is: 211,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,515.20 : 246,772.80 = 141,187.20 : x
  2. Step 2: Convert to fraction form
    164,515.20/246,772.80 = 141,187.20/x
  3. Step 3: Cross multiply
    164,515.20x = 246,772.80 × 141,187.20
  4. Step 4: Simplify right side
    164,515.20x = 34,841,160,668.16
  5. Step 5: Solve for x
    x = 34,841,160,668.16/164,515.20
  6. Step 6: Final answer
    x = 211,780.80

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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.