Home / 147,841.39-204,021.75-80,773.39

Finding the Fourth Proportional to 147,841.39, 204,021.75 and 80,773.39

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Solution

The fourth proportional to 147,841.39, 204,021.75 and 80,773.39 is: 111,467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,841.39 : 204,021.75 = 80,773.39 : x
  2. Step 2: Convert to fraction form
    147,841.39/204,021.75 = 80,773.39/x
  3. Step 3: Cross multiply
    147,841.39x = 204,021.75 × 80,773.39
  4. Step 4: Simplify right side
    147,841.39x = 16,479,528,381.23
  5. Step 5: Solve for x
    x = 16,479,528,381.23/147,841.39
  6. Step 6: Final answer
    x = 111,467.62

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1.5x scale

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.