Home / 246,113.06-339,637.41-138,684.74

Finding the Fourth Proportional to 246,113.06, 339,637.41 and 138,684.74

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Solution

The fourth proportional to 246,113.06, 339,637.41 and 138,684.74 is: 191,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,113.06 : 339,637.41 = 138,684.74 : x
  2. Step 2: Convert to fraction form
    246,113.06/339,637.41 = 138,684.74/x
  3. Step 3: Cross multiply
    246,113.06x = 339,637.41 × 138,684.74
  4. Step 4: Simplify right side
    246,113.06x = 47,102,525,900.12
  5. Step 5: Solve for x
    x = 47,102,525,900.12/246,113.06
  6. Step 6: Final answer
    x = 191,385.72

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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.