Home / 149,345.51-223,977.26-54,558.20

Finding the Fourth Proportional to 149,345.51, 223,977.26 and 54,558.20

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Solution

The fourth proportional to 149,345.51, 223,977.26 and 54,558.20 is: 81,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,345.51 : 223,977.26 = 54,558.20 : x
  2. Step 2: Convert to fraction form
    149,345.51/223,977.26 = 54,558.20/x
  3. Step 3: Cross multiply
    149,345.51x = 223,977.26 × 54,558.20
  4. Step 4: Simplify right side
    149,345.51x = 12,219,796,842.87
  5. Step 5: Solve for x
    x = 12,219,796,842.87/149,345.51
  6. Step 6: Final answer
    x = 81,822.32

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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.