Home / 146,511.09-202,186.53-79,443.09

Finding the Fourth Proportional to 146,511.09, 202,186.53 and 79,443.09

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Solution

The fourth proportional to 146,511.09, 202,186.53 and 79,443.09 is: 109,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,511.09 : 202,186.53 = 79,443.09 : x
  2. Step 2: Convert to fraction form
    146,511.09/202,186.53 = 79,443.09/x
  3. Step 3: Cross multiply
    146,511.09x = 202,186.53 × 79,443.09
  4. Step 4: Simplify right side
    146,511.09x = 16,062,322,699.58
  5. Step 5: Solve for x
    x = 16,062,322,699.58/146,511.09
  6. Step 6: Final answer
    x = 109,632.13

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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.