Home / 158,837.36-219,196.26-90,855.07

Finding the Fourth Proportional to 158,837.36, 219,196.26 and 90,855.07

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Solution

The fourth proportional to 158,837.36, 219,196.26 and 90,855.07 is: 125,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,837.36 : 219,196.26 = 90,855.07 : x
  2. Step 2: Convert to fraction form
    158,837.36/219,196.26 = 90,855.07/x
  3. Step 3: Cross multiply
    158,837.36x = 219,196.26 × 90,855.07
  4. Step 4: Simplify right side
    158,837.36x = 19,915,090,998.05
  5. Step 5: Solve for x
    x = 19,915,090,998.05/158,837.36
  6. Step 6: Final answer
    x = 125,380.40

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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.