Home / 149,519.68-206,326.74-84,118.36

Finding the Fourth Proportional to 149,519.68, 206,326.74 and 84,118.36

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Solution

The fourth proportional to 149,519.68, 206,326.74 and 84,118.36 is: 116,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,519.68 : 206,326.74 = 84,118.36 : x
  2. Step 2: Convert to fraction form
    149,519.68/206,326.74 = 84,118.36/x
  3. Step 3: Cross multiply
    149,519.68x = 206,326.74 × 84,118.36
  4. Step 4: Simplify right side
    149,519.68x = 17,355,866,992.95
  5. Step 5: Solve for x
    x = 17,355,866,992.95/149,519.68
  6. Step 6: Final answer
    x = 116,077.48

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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.