Home / 165,627.20-248,440.80-154,222.40

Finding the Fourth Proportional to 165,627.20, 248,440.80 and 154,222.40

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Solution

The fourth proportional to 165,627.20, 248,440.80 and 154,222.40 is: 231,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,627.20 : 248,440.80 = 154,222.40 : x
  2. Step 2: Convert to fraction form
    165,627.20/248,440.80 = 154,222.40/x
  3. Step 3: Cross multiply
    165,627.20x = 248,440.80 × 154,222.40
  4. Step 4: Simplify right side
    165,627.20x = 38,315,136,433.92
  5. Step 5: Solve for x
    x = 38,315,136,433.92/165,627.20
  6. Step 6: Final answer
    x = 231,333.60

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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.