Home / 246,400.08-340,031.64-138,969.78

Finding the Fourth Proportional to 246,400.08, 340,031.64 and 138,969.78

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Solution

The fourth proportional to 246,400.08, 340,031.64 and 138,969.78 is: 191,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,400.08 : 340,031.64 = 138,969.78 : x
  2. Step 2: Convert to fraction form
    246,400.08/340,031.64 = 138,969.78/x
  3. Step 3: Cross multiply
    246,400.08x = 340,031.64 × 138,969.78
  4. Step 4: Simplify right side
    246,400.08x = 47,254,122,203.84
  5. Step 5: Solve for x
    x = 47,254,122,203.84/246,400.08
  6. Step 6: Final answer
    x = 191,778.03

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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.