Home / 122,374.37-183,616.62-66,148.65

Finding the Fourth Proportional to 122,374.37, 183,616.62 and 66,148.65

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Solution

The fourth proportional to 122,374.37, 183,616.62 and 66,148.65 is: 99,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,374.37 : 183,616.62 = 66,148.65 : x
  2. Step 2: Convert to fraction form
    122,374.37/183,616.62 = 66,148.65/x
  3. Step 3: Cross multiply
    122,374.37x = 183,616.62 × 66,148.65
  4. Step 4: Simplify right side
    122,374.37x = 12,145,990,281.74
  5. Step 5: Solve for x
    x = 12,145,990,281.74/122,374.37
  6. Step 6: Final answer
    x = 99,252.73

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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.