Home / 180,131.53-248,594.38-99,557.32

Finding the Fourth Proportional to 180,131.53, 248,594.38 and 99,557.32

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Solution

The fourth proportional to 180,131.53, 248,594.38 and 99,557.32 is: 137,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,131.53 : 248,594.38 = 99,557.32 : x
  2. Step 2: Convert to fraction form
    180,131.53/248,594.38 = 99,557.32/x
  3. Step 3: Cross multiply
    180,131.53x = 248,594.38 × 99,557.32
  4. Step 4: Simplify right side
    180,131.53x = 24,749,388,499.10
  5. Step 5: Solve for x
    x = 24,749,388,499.10/180,131.53
  6. Step 6: Final answer
    x = 137,396.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.