Home / 187,147.26-258,289.56-119,142.50

Finding the Fourth Proportional to 187,147.26, 258,289.56 and 119,142.50

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Solution

The fourth proportional to 187,147.26, 258,289.56 and 119,142.50 is: 164,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,147.26 : 258,289.56 = 119,142.50 : x
  2. Step 2: Convert to fraction form
    187,147.26/258,289.56 = 119,142.50/x
  3. Step 3: Cross multiply
    187,147.26x = 258,289.56 × 119,142.50
  4. Step 4: Simplify right side
    187,147.26x = 30,773,262,610.85
  5. Step 5: Solve for x
    x = 30,773,262,610.85/187,147.26
  6. Step 6: Final answer
    x = 164,433.41

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1.5x scale

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.