Home / 122,311.45-183,485.40-43,419.07

Finding the Fourth Proportional to 122,311.45, 183,485.40 and 43,419.07

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Solution

The fourth proportional to 122,311.45, 183,485.40 and 43,419.07 is: 65,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,311.45 : 183,485.40 = 43,419.07 : x
  2. Step 2: Convert to fraction form
    122,311.45/183,485.40 = 43,419.07/x
  3. Step 3: Cross multiply
    122,311.45x = 183,485.40 × 43,419.07
  4. Step 4: Simplify right side
    122,311.45x = 7,966,765,426.58
  5. Step 5: Solve for x
    x = 7,966,765,426.58/122,311.45
  6. Step 6: Final answer
    x = 65,135.07

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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.