Home / 90,430.26-124,787.67-50,142.54

Finding the Fourth Proportional to 90,430.26, 124,787.67 and 50,142.54

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Solution

The fourth proportional to 90,430.26, 124,787.67 and 50,142.54 is: 69,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,430.26 : 124,787.67 = 50,142.54 : x
  2. Step 2: Convert to fraction form
    90,430.26/124,787.67 = 50,142.54/x
  3. Step 3: Cross multiply
    90,430.26x = 124,787.67 × 50,142.54
  4. Step 4: Simplify right side
    90,430.26x = 6,257,170,734.48
  5. Step 5: Solve for x
    x = 6,257,170,734.48/90,430.26
  6. Step 6: Final answer
    x = 69,193.33

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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.