Home / 149,085.09-205,790.82-88,655.52

Finding the Fourth Proportional to 149,085.09, 205,790.82 and 88,655.52

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Solution

The fourth proportional to 149,085.09, 205,790.82 and 88,655.52 is: 122,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,085.09 : 205,790.82 = 88,655.52 : x
  2. Step 2: Convert to fraction form
    149,085.09/205,790.82 = 88,655.52/x
  3. Step 3: Cross multiply
    149,085.09x = 205,790.82 × 88,655.52
  4. Step 4: Simplify right side
    149,085.09x = 18,244,492,158.33
  5. Step 5: Solve for x
    x = 18,244,492,158.33/149,085.09
  6. Step 6: Final answer
    x = 122,376.37

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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.