Home / 239,131.26-330,014.99-137,156.00

Finding the Fourth Proportional to 239,131.26, 330,014.99 and 137,156.00

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Solution

The fourth proportional to 239,131.26, 330,014.99 and 137,156.00 is: 189,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,131.26 : 330,014.99 = 137,156.00 : x
  2. Step 2: Convert to fraction form
    239,131.26/330,014.99 = 137,156.00/x
  3. Step 3: Cross multiply
    239,131.26x = 330,014.99 × 137,156.00
  4. Step 4: Simplify right side
    239,131.26x = 45,263,534,661.26
  5. Step 5: Solve for x
    x = 45,263,534,661.26/239,131.26
  6. Step 6: Final answer
    x = 189,283.22

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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.