Home / 124,620.92-171,868.32-76,186.16

Finding the Fourth Proportional to 124,620.92, 171,868.32 and 76,186.16

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Solution

The fourth proportional to 124,620.92, 171,868.32 and 76,186.16 is: 105,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620.92 : 171,868.32 = 76,186.16 : x
  2. Step 2: Convert to fraction form
    124,620.92/171,868.32 = 76,186.16/x
  3. Step 3: Cross multiply
    124,620.92x = 171,868.32 × 76,186.16
  4. Step 4: Simplify right side
    124,620.92x = 13,093,986,467.11
  5. Step 5: Solve for x
    x = 13,093,986,467.11/124,620.92
  6. Step 6: Final answer
    x = 105,070.54

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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.