Home / 136,330.26-204,514-47,570.72

Finding the Fourth Proportional to 136,330.26, 204,514 and 47,570.72

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Solution

The fourth proportional to 136,330.26, 204,514 and 47,570.72 is: 71,362.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,330.26 : 204,514 = 47,570.72 : x
  2. Step 2: Convert to fraction form
    136,330.26/204,514 = 47,570.72/x
  3. Step 3: Cross multiply
    136,330.26x = 204,514 × 47,570.72
  4. Step 4: Simplify right side
    136,330.26x = 9,728,878,230.08
  5. Step 5: Solve for x
    x = 9,728,878,230.08/136,330.26
  6. Step 6: Final answer
    x = 71,362.57

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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.