Home / 153,827.82-212,378.49-117,948.87

Finding the Fourth Proportional to 153,827.82, 212,378.49 and 117,948.87

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Solution

The fourth proportional to 153,827.82, 212,378.49 and 117,948.87 is: 162,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,827.82 : 212,378.49 = 117,948.87 : x
  2. Step 2: Convert to fraction form
    153,827.82/212,378.49 = 117,948.87/x
  3. Step 3: Cross multiply
    153,827.82x = 212,378.49 × 117,948.87
  4. Step 4: Simplify right side
    153,827.82x = 25,049,802,907.81
  5. Step 5: Solve for x
    x = 25,049,802,907.81/153,827.82
  6. Step 6: Final answer
    x = 162,843.12

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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.