Home / 111,927.20-167,890.80-45,333.05

Finding the Fourth Proportional to 111,927.20, 167,890.80 and 45,333.05

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Solution

The fourth proportional to 111,927.20, 167,890.80 and 45,333.05 is: 67,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,927.20 : 167,890.80 = 45,333.05 : x
  2. Step 2: Convert to fraction form
    111,927.20/167,890.80 = 45,333.05/x
  3. Step 3: Cross multiply
    111,927.20x = 167,890.80 × 45,333.05
  4. Step 4: Simplify right side
    111,927.20x = 7,611,002,030.94
  5. Step 5: Solve for x
    x = 7,611,002,030.94/111,927.20
  6. Step 6: Final answer
    x = 67,999.58

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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.