Home / 154,608.63-213,265.61-102,220.43

Finding the Fourth Proportional to 154,608.63, 213,265.61 and 102,220.43

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Solution

The fourth proportional to 154,608.63, 213,265.61 and 102,220.43 is: 141,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,608.63 : 213,265.61 = 102,220.43 : x
  2. Step 2: Convert to fraction form
    154,608.63/213,265.61 = 102,220.43/x
  3. Step 3: Cross multiply
    154,608.63x = 213,265.61 × 102,220.43
  4. Step 4: Simplify right side
    154,608.63x = 21,800,100,780.98
  5. Step 5: Solve for x
    x = 21,800,100,780.98/154,608.63
  6. Step 6: Final answer
    x = 141,001.84

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1.5x scale

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.