Home / 243,184.32-364,772.16-76,968

Finding the Fourth Proportional to 243,184.32, 364,772.16 and 76,968

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Solution

The fourth proportional to 243,184.32, 364,772.16 and 76,968 is: 115,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,184.32 : 364,772.16 = 76,968 : x
  2. Step 2: Convert to fraction form
    243,184.32/364,772.16 = 76,968/x
  3. Step 3: Cross multiply
    243,184.32x = 364,772.16 × 76,968
  4. Step 4: Simplify right side
    243,184.32x = 28,075,783,610.88
  5. Step 5: Solve for x
    x = 28,075,783,610.88/243,184.32
  6. Step 6: Final answer
    x = 115,450.63

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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.