Home / 158,962.37-219,367.44-90,979.07

Finding the Fourth Proportional to 158,962.37, 219,367.44 and 90,979.07

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Solution

The fourth proportional to 158,962.37, 219,367.44 and 90,979.07 is: 125,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,962.37 : 219,367.44 = 90,979.07 : x
  2. Step 2: Convert to fraction form
    158,962.37/219,367.44 = 90,979.07/x
  3. Step 3: Cross multiply
    158,962.37x = 219,367.44 × 90,979.07
  4. Step 4: Simplify right side
    158,962.37x = 19,957,844,582.64
  5. Step 5: Solve for x
    x = 19,957,844,582.64/158,962.37
  6. Step 6: Final answer
    x = 125,550.75

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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.