Home / 213,054.02-319,580.59-124,245.28

Finding the Fourth Proportional to 213,054.02, 319,580.59 and 124,245.28

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Solution

The fourth proportional to 213,054.02, 319,580.59 and 124,245.28 is: 186,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,054.02 : 319,580.59 = 124,245.28 : x
  2. Step 2: Convert to fraction form
    213,054.02/319,580.59 = 124,245.28/x
  3. Step 3: Cross multiply
    213,054.02x = 319,580.59 × 124,245.28
  4. Step 4: Simplify right side
    213,054.02x = 39,706,379,887.12
  5. Step 5: Solve for x
    x = 39,706,379,887.12/213,054.02
  6. Step 6: Final answer
    x = 186,367.66

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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.