Home / 122,003.10-183,004.65-120,836.70

Finding the Fourth Proportional to 122,003.10, 183,004.65 and 120,836.70

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Solution

The fourth proportional to 122,003.10, 183,004.65 and 120,836.70 is: 181,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,003.10 : 183,004.65 = 120,836.70 : x
  2. Step 2: Convert to fraction form
    122,003.10/183,004.65 = 120,836.70/x
  3. Step 3: Cross multiply
    122,003.10x = 183,004.65 × 120,836.70
  4. Step 4: Simplify right side
    122,003.10x = 22,113,677,990.66
  5. Step 5: Solve for x
    x = 22,113,677,990.66/122,003.10
  6. Step 6: Final answer
    x = 181,255.05

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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.