Home / 175,428.80-263,143.20-104,465.60

Finding the Fourth Proportional to 175,428.80, 263,143.20 and 104,465.60

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Solution

The fourth proportional to 175,428.80, 263,143.20 and 104,465.60 is: 156,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,428.80 : 263,143.20 = 104,465.60 : x
  2. Step 2: Convert to fraction form
    175,428.80/263,143.20 = 104,465.60/x
  3. Step 3: Cross multiply
    175,428.80x = 263,143.20 × 104,465.60
  4. Step 4: Simplify right side
    175,428.80x = 27,489,412,273.92
  5. Step 5: Solve for x
    x = 27,489,412,273.92/175,428.80
  6. Step 6: Final answer
    x = 156,698.40

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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.