Home / 103,777.47-155,729.21-41,442.75

Finding the Fourth Proportional to 103,777.47, 155,729.21 and 41,442.75

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Solution

The fourth proportional to 103,777.47, 155,729.21 and 41,442.75 is: 62,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,777.47 : 155,729.21 = 41,442.75 : x
  2. Step 2: Convert to fraction form
    103,777.47/155,729.21 = 41,442.75/x
  3. Step 3: Cross multiply
    103,777.47x = 155,729.21 × 41,442.75
  4. Step 4: Simplify right side
    103,777.47x = 6,453,846,510.51
  5. Step 5: Solve for x
    x = 6,453,846,510.51/103,777.47
  6. Step 6: Final answer
    x = 62,189.28

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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.