Home / 188,559.42-282,868.29-117,427.65

Finding the Fourth Proportional to 188,559.42, 282,868.29 and 117,427.65

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Solution

The fourth proportional to 188,559.42, 282,868.29 and 117,427.65 is: 176,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,559.42 : 282,868.29 = 117,427.65 : x
  2. Step 2: Convert to fraction form
    188,559.42/282,868.29 = 117,427.65/x
  3. Step 3: Cross multiply
    188,559.42x = 282,868.29 × 117,427.65
  4. Step 4: Simplify right side
    188,559.42x = 33,216,558,554.22
  5. Step 5: Solve for x
    x = 33,216,558,554.22/188,559.42
  6. Step 6: Final answer
    x = 176,159.63

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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.