Home / 246,401.55-340,034.04-138,971.34

Finding the Fourth Proportional to 246,401.55, 340,034.04 and 138,971.34

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Solution

The fourth proportional to 246,401.55, 340,034.04 and 138,971.34 is: 191,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,401.55 : 340,034.04 = 138,971.34 : x
  2. Step 2: Convert to fraction form
    246,401.55/340,034.04 = 138,971.34/x
  3. Step 3: Cross multiply
    246,401.55x = 340,034.04 × 138,971.34
  4. Step 4: Simplify right side
    246,401.55x = 47,254,986,184.41
  5. Step 5: Solve for x
    x = 47,254,986,184.41/246,401.55
  6. Step 6: Final answer
    x = 191,780.39

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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.