Home / 122,399.86-183,652.02-69,131.83

Finding the Fourth Proportional to 122,399.86, 183,652.02 and 69,131.83

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Solution

The fourth proportional to 122,399.86, 183,652.02 and 69,131.83 is: 103,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,399.86 : 183,652.02 = 69,131.83 : x
  2. Step 2: Convert to fraction form
    122,399.86/183,652.02 = 69,131.83/x
  3. Step 3: Cross multiply
    122,399.86x = 183,652.02 × 69,131.83
  4. Step 4: Simplify right side
    122,399.86x = 12,696,200,225.80
  5. Step 5: Solve for x
    x = 12,696,200,225.80/122,399.86
  6. Step 6: Final answer
    x = 103,727.24

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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.