Home / 223,196.00-308,012.70-121,223.45

Finding the Fourth Proportional to 223,196.00, 308,012.70 and 121,223.45

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Solution

The fourth proportional to 223,196.00, 308,012.70 and 121,223.45 is: 167,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,196.00 : 308,012.70 = 121,223.45 : x
  2. Step 2: Convert to fraction form
    223,196.00/308,012.70 = 121,223.45/x
  3. Step 3: Cross multiply
    223,196.00x = 308,012.70 × 121,223.45
  4. Step 4: Simplify right side
    223,196.00x = 37,338,360,528.18
  5. Step 5: Solve for x
    x = 37,338,360,528.18/223,196.00
  6. Step 6: Final answer
    x = 167,289.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.