Home / 106,812.80-160,219.20-102,262.40

Finding the Fourth Proportional to 106,812.80, 160,219.20 and 102,262.40

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Solution

The fourth proportional to 106,812.80, 160,219.20 and 102,262.40 is: 153,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,812.80 : 160,219.20 = 102,262.40 : x
  2. Step 2: Convert to fraction form
    106,812.80/160,219.20 = 102,262.40/x
  3. Step 3: Cross multiply
    106,812.80x = 160,219.20 × 102,262.40
  4. Step 4: Simplify right side
    106,812.80x = 16,384,399,918.08
  5. Step 5: Solve for x
    x = 16,384,399,918.08/106,812.80
  6. Step 6: Final answer
    x = 153,393.60

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1.5x scale

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.