Home / 175,638.27-263,458.08-42,518.31

Finding the Fourth Proportional to 175,638.27, 263,458.08 and 42,518.31

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Solution

The fourth proportional to 175,638.27, 263,458.08 and 42,518.31 is: 63,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,638.27 : 263,458.08 = 42,518.31 : x
  2. Step 2: Convert to fraction form
    175,638.27/263,458.08 = 42,518.31/x
  3. Step 3: Cross multiply
    175,638.27x = 263,458.08 × 42,518.31
  4. Step 4: Simplify right side
    175,638.27x = 11,201,792,104.85
  5. Step 5: Solve for x
    x = 11,201,792,104.85/175,638.27
  6. Step 6: Final answer
    x = 63,777.63

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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.