Home / 136,102.63-204,195.48-69,589.47

Finding the Fourth Proportional to 136,102.63, 204,195.48 and 69,589.47

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Solution

The fourth proportional to 136,102.63, 204,195.48 and 69,589.47 is: 104,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,102.63 : 204,195.48 = 69,589.47 : x
  2. Step 2: Convert to fraction form
    136,102.63/204,195.48 = 69,589.47/x
  3. Step 3: Cross multiply
    136,102.63x = 204,195.48 × 69,589.47
  4. Step 4: Simplify right side
    136,102.63x = 14,209,854,690.06
  5. Step 5: Solve for x
    x = 14,209,854,690.06/136,102.63
  6. Step 6: Final answer
    x = 104,405.44

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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.