Home / 193,029.80-289,739.10-93,270.20

Finding the Fourth Proportional to 193,029.80, 289,739.10 and 93,270.20

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Solution

The fourth proportional to 193,029.80, 289,739.10 and 93,270.20 is: 139,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,029.80 : 289,739.10 = 93,270.20 : x
  2. Step 2: Convert to fraction form
    193,029.80/289,739.10 = 93,270.20/x
  3. Step 3: Cross multiply
    193,029.80x = 289,739.10 × 93,270.20
  4. Step 4: Simplify right side
    193,029.80x = 27,024,023,804.82
  5. Step 5: Solve for x
    x = 27,024,023,804.82/193,029.80
  6. Step 6: Final answer
    x = 139,999.23

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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.