Home / 120,054.93-165,673.50-66,338.79

Finding the Fourth Proportional to 120,054.93, 165,673.50 and 66,338.79

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Solution

The fourth proportional to 120,054.93, 165,673.50 and 66,338.79 is: 91,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,054.93 : 165,673.50 = 66,338.79 : x
  2. Step 2: Convert to fraction form
    120,054.93/165,673.50 = 66,338.79/x
  3. Step 3: Cross multiply
    120,054.93x = 165,673.50 × 66,338.79
  4. Step 4: Simplify right side
    120,054.93x = 10,990,579,525.07
  5. Step 5: Solve for x
    x = 10,990,579,525.07/120,054.93
  6. Step 6: Final answer
    x = 91,546.26

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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.