Home / 149,104.40-205,685.65-88,632.03

Finding the Fourth Proportional to 149,104.40, 205,685.65 and 88,632.03

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Solution

The fourth proportional to 149,104.40, 205,685.65 and 88,632.03 is: 122,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,104.40 : 205,685.65 = 88,632.03 : x
  2. Step 2: Convert to fraction form
    149,104.40/205,685.65 = 88,632.03/x
  3. Step 3: Cross multiply
    149,104.40x = 205,685.65 × 88,632.03
  4. Step 4: Simplify right side
    149,104.40x = 18,230,336,701.37
  5. Step 5: Solve for x
    x = 18,230,336,701.37/149,104.40
  6. Step 6: Final answer
    x = 122,265.59

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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.