Home / 158,954.34-219,344.27-90,955.73

Finding the Fourth Proportional to 158,954.34, 219,344.27 and 90,955.73

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Solution

The fourth proportional to 158,954.34, 219,344.27 and 90,955.73 is: 125,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,954.34 : 219,344.27 = 90,955.73 : x
  2. Step 2: Convert to fraction form
    158,954.34/219,344.27 = 90,955.73/x
  3. Step 3: Cross multiply
    158,954.34x = 219,344.27 × 90,955.73
  4. Step 4: Simplify right side
    158,954.34x = 19,950,616,647.67
  5. Step 5: Solve for x
    x = 19,950,616,647.67/158,954.34
  6. Step 6: Final answer
    x = 125,511.62

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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.