Home / 121,900.56-182,858.94-47,021.46

Finding the Fourth Proportional to 121,900.56, 182,858.94 and 47,021.46

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Solution

The fourth proportional to 121,900.56, 182,858.94 and 47,021.46 is: 70,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,900.56 : 182,858.94 = 47,021.46 : x
  2. Step 2: Convert to fraction form
    121,900.56/182,858.94 = 47,021.46/x
  3. Step 3: Cross multiply
    121,900.56x = 182,858.94 × 47,021.46
  4. Step 4: Simplify right side
    121,900.56x = 8,598,294,332.85
  5. Step 5: Solve for x
    x = 8,598,294,332.85/121,900.56
  6. Step 6: Final answer
    x = 70,535.31

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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.