Home / 88,556.37-122,138.67-56,728.23

Finding the Fourth Proportional to 88,556.37, 122,138.67 and 56,728.23

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Solution

The fourth proportional to 88,556.37, 122,138.67 and 56,728.23 is: 78,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,556.37 : 122,138.67 = 56,728.23 : x
  2. Step 2: Convert to fraction form
    88,556.37/122,138.67 = 56,728.23/x
  3. Step 3: Cross multiply
    88,556.37x = 122,138.67 × 56,728.23
  4. Step 4: Simplify right side
    88,556.37x = 6,928,710,280.01
  5. Step 5: Solve for x
    x = 6,928,710,280.01/88,556.37
  6. Step 6: Final answer
    x = 78,240.68

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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.