Home / 122,947.80-184,421.70-112,450.20

Finding the Fourth Proportional to 122,947.80, 184,421.70 and 112,450.20

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Solution

The fourth proportional to 122,947.80, 184,421.70 and 112,450.20 is: 168,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,947.80 : 184,421.70 = 112,450.20 : x
  2. Step 2: Convert to fraction form
    122,947.80/184,421.70 = 112,450.20/x
  3. Step 3: Cross multiply
    122,947.80x = 184,421.70 × 112,450.20
  4. Step 4: Simplify right side
    122,947.80x = 20,738,257,049.34
  5. Step 5: Solve for x
    x = 20,738,257,049.34/122,947.80
  6. Step 6: Final answer
    x = 168,675.30

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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.