Home / 158,519.55-218,772.63-90,546.69

Finding the Fourth Proportional to 158,519.55, 218,772.63 and 90,546.69

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Solution

The fourth proportional to 158,519.55, 218,772.63 and 90,546.69 is: 124,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,519.55 : 218,772.63 = 90,546.69 : x
  2. Step 2: Convert to fraction form
    158,519.55/218,772.63 = 90,546.69/x
  3. Step 3: Cross multiply
    158,519.55x = 218,772.63 × 90,546.69
  4. Step 4: Simplify right side
    158,519.55x = 19,809,137,509.09
  5. Step 5: Solve for x
    x = 19,809,137,509.09/158,519.55
  6. Step 6: Final answer
    x = 124,963.37

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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.