Home / 218,284.98-301,206.33-137,682.06

Finding the Fourth Proportional to 218,284.98, 301,206.33 and 137,682.06

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Solution

The fourth proportional to 218,284.98, 301,206.33 and 137,682.06 is: 189,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,284.98 : 301,206.33 = 137,682.06 : x
  2. Step 2: Convert to fraction form
    218,284.98/301,206.33 = 137,682.06/x
  3. Step 3: Cross multiply
    218,284.98x = 301,206.33 × 137,682.06
  4. Step 4: Simplify right side
    218,284.98x = 41,470,707,999.44
  5. Step 5: Solve for x
    x = 41,470,707,999.44/218,284.98
  6. Step 6: Final answer
    x = 189,984.25

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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.