Home / 102,142.08-153,219.60-49,537.44

Finding the Fourth Proportional to 102,142.08, 153,219.60 and 49,537.44

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Solution

The fourth proportional to 102,142.08, 153,219.60 and 49,537.44 is: 74,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,142.08 : 153,219.60 = 49,537.44 : x
  2. Step 2: Convert to fraction form
    102,142.08/153,219.60 = 49,537.44/x
  3. Step 3: Cross multiply
    102,142.08x = 153,219.60 × 49,537.44
  4. Step 4: Simplify right side
    102,142.08x = 7,590,106,741.82
  5. Step 5: Solve for x
    x = 7,590,106,741.82/102,142.08
  6. Step 6: Final answer
    x = 74,309.30

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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.