Home / 122,405.42-183,607.80-69,073.16

Finding the Fourth Proportional to 122,405.42, 183,607.80 and 69,073.16

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Solution

The fourth proportional to 122,405.42, 183,607.80 and 69,073.16 is: 103,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,405.42 : 183,607.80 = 69,073.16 : x
  2. Step 2: Convert to fraction form
    122,405.42/183,607.80 = 69,073.16/x
  3. Step 3: Cross multiply
    122,405.42x = 183,607.80 × 69,073.16
  4. Step 4: Simplify right side
    122,405.42x = 12,682,370,946.65
  5. Step 5: Solve for x
    x = 12,682,370,946.65/122,405.42
  6. Step 6: Final answer
    x = 103,609.55

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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.