Home / 158,816.36-219,104.08-90,796.79

Finding the Fourth Proportional to 158,816.36, 219,104.08 and 90,796.79

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Solution

The fourth proportional to 158,816.36, 219,104.08 and 90,796.79 is: 125,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,816.36 : 219,104.08 = 90,796.79 : x
  2. Step 2: Convert to fraction form
    158,816.36/219,104.08 = 90,796.79/x
  3. Step 3: Cross multiply
    158,816.36x = 219,104.08 × 90,796.79
  4. Step 4: Simplify right side
    158,816.36x = 19,893,947,460.67
  5. Step 5: Solve for x
    x = 19,893,947,460.67/158,816.36
  6. Step 6: Final answer
    x = 125,263.84

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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.