Home / 122,990.24-184,370.16-66,747.80

Finding the Fourth Proportional to 122,990.24, 184,370.16 and 66,747.80

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Solution

The fourth proportional to 122,990.24, 184,370.16 and 66,747.80 is: 100,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,990.24 : 184,370.16 = 66,747.80 : x
  2. Step 2: Convert to fraction form
    122,990.24/184,370.16 = 66,747.80/x
  3. Step 3: Cross multiply
    122,990.24x = 184,370.16 × 66,747.80
  4. Step 4: Simplify right side
    122,990.24x = 12,306,302,565.65
  5. Step 5: Solve for x
    x = 12,306,302,565.65/122,990.24
  6. Step 6: Final answer
    x = 100,059.18

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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.