Home / 213,080.04-319,537.02-79,887.64

Finding the Fourth Proportional to 213,080.04, 319,537.02 and 79,887.64

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Solution

The fourth proportional to 213,080.04, 319,537.02 and 79,887.64 is: 119,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,080.04 : 319,537.02 = 79,887.64 : x
  2. Step 2: Convert to fraction form
    213,080.04/319,537.02 = 79,887.64/x
  3. Step 3: Cross multiply
    213,080.04x = 319,537.02 × 79,887.64
  4. Step 4: Simplify right side
    213,080.04x = 25,527,058,420.43
  5. Step 5: Solve for x
    x = 25,527,058,420.43/213,080.04
  6. Step 6: Final answer
    x = 119,800.33

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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.