Home / 122,323.40-183,485.10-84,998.60

Finding the Fourth Proportional to 122,323.40, 183,485.10 and 84,998.60

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Solution

The fourth proportional to 122,323.40, 183,485.10 and 84,998.60 is: 127,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,323.40 : 183,485.10 = 84,998.60 : x
  2. Step 2: Convert to fraction form
    122,323.40/183,485.10 = 84,998.60/x
  3. Step 3: Cross multiply
    122,323.40x = 183,485.10 × 84,998.60
  4. Step 4: Simplify right side
    122,323.40x = 15,595,976,620.86
  5. Step 5: Solve for x
    x = 15,595,976,620.86/122,323.40
  6. Step 6: Final answer
    x = 127,497.90

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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.