Home / 122,888.40-184,138.20-103,059.60

Finding the Fourth Proportional to 122,888.40, 184,138.20 and 103,059.60

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Solution

The fourth proportional to 122,888.40, 184,138.20 and 103,059.60 is: 154,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,888.40 : 184,138.20 = 103,059.60 : x
  2. Step 2: Convert to fraction form
    122,888.40/184,138.20 = 103,059.60/x
  3. Step 3: Cross multiply
    122,888.40x = 184,138.20 × 103,059.60
  4. Step 4: Simplify right side
    122,888.40x = 18,977,209,236.72
  5. Step 5: Solve for x
    x = 18,977,209,236.72/122,888.40
  6. Step 6: Final answer
    x = 154,426.37

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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.