Home / 149,110.96-205,666.88-91,675.04

Finding the Fourth Proportional to 149,110.96, 205,666.88 and 91,675.04

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Solution

The fourth proportional to 149,110.96, 205,666.88 and 91,675.04 is: 126,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,110.96 : 205,666.88 = 91,675.04 : x
  2. Step 2: Convert to fraction form
    149,110.96/205,666.88 = 91,675.04/x
  3. Step 3: Cross multiply
    149,110.96x = 205,666.88 × 91,675.04
  4. Step 4: Simplify right side
    149,110.96x = 18,854,519,450.68
  5. Step 5: Solve for x
    x = 18,854,519,450.68/149,110.96
  6. Step 6: Final answer
    x = 126,446.23

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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.