Home / 212,684.08-319,055.28-94,352.80

Finding the Fourth Proportional to 212,684.08, 319,055.28 and 94,352.80

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Solution

The fourth proportional to 212,684.08, 319,055.28 and 94,352.80 is: 141,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,684.08 : 319,055.28 = 94,352.80 : x
  2. Step 2: Convert to fraction form
    212,684.08/319,055.28 = 94,352.80/x
  3. Step 3: Cross multiply
    212,684.08x = 319,055.28 × 94,352.80
  4. Step 4: Simplify right side
    212,684.08x = 30,103,759,022.78
  5. Step 5: Solve for x
    x = 30,103,759,022.78/212,684.08
  6. Step 6: Final answer
    x = 141,542.14

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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.