Home / 212,739.06-319,107.60-62,980.23

Finding the Fourth Proportional to 212,739.06, 319,107.60 and 62,980.23

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Solution

The fourth proportional to 212,739.06, 319,107.60 and 62,980.23 is: 94,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,739.06 : 319,107.60 = 62,980.23 : x
  2. Step 2: Convert to fraction form
    212,739.06/319,107.60 = 62,980.23/x
  3. Step 3: Cross multiply
    212,739.06x = 319,107.60 × 62,980.23
  4. Step 4: Simplify right side
    212,739.06x = 20,097,470,042.75
  5. Step 5: Solve for x
    x = 20,097,470,042.75/212,739.06
  6. Step 6: Final answer
    x = 94,470.05

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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.