Home / 136,139.22-204,250.32-69,626.07

Finding the Fourth Proportional to 136,139.22, 204,250.32 and 69,626.07

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Solution

The fourth proportional to 136,139.22, 204,250.32 and 69,626.07 is: 104,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,139.22 : 204,250.32 = 69,626.07 : x
  2. Step 2: Convert to fraction form
    136,139.22/204,250.32 = 69,626.07/x
  3. Step 3: Cross multiply
    136,139.22x = 204,250.32 × 69,626.07
  4. Step 4: Simplify right side
    136,139.22x = 14,221,147,077.84
  5. Step 5: Solve for x
    x = 14,221,147,077.84/136,139.22
  6. Step 6: Final answer
    x = 104,460.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.