Home / 122,203.80-183,305.70-113,346.45

Finding the Fourth Proportional to 122,203.80, 183,305.70 and 113,346.45

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Solution

The fourth proportional to 122,203.80, 183,305.70 and 113,346.45 is: 170,019.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,203.80 : 183,305.70 = 113,346.45 : x
  2. Step 2: Convert to fraction form
    122,203.80/183,305.70 = 113,346.45/x
  3. Step 3: Cross multiply
    122,203.80x = 183,305.70 × 113,346.45
  4. Step 4: Simplify right side
    122,203.80x = 20,777,050,359.77
  5. Step 5: Solve for x
    x = 20,777,050,359.77/122,203.80
  6. Step 6: Final answer
    x = 170,019.68

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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.