Home / 122,318.26-183,300.32-84,328.54

Finding the Fourth Proportional to 122,318.26, 183,300.32 and 84,328.54

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Solution

The fourth proportional to 122,318.26, 183,300.32 and 84,328.54 is: 126,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,318.26 : 183,300.32 = 84,328.54 : x
  2. Step 2: Convert to fraction form
    122,318.26/183,300.32 = 84,328.54/x
  3. Step 3: Cross multiply
    122,318.26x = 183,300.32 × 84,328.54
  4. Step 4: Simplify right side
    122,318.26x = 15,457,448,807.08
  5. Step 5: Solve for x
    x = 15,457,448,807.08/122,318.26
  6. Step 6: Final answer
    x = 126,370.74

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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.