Home / 204,530.36-282,264.72-112,649.63

Finding the Fourth Proportional to 204,530.36, 282,264.72 and 112,649.63

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Solution

The fourth proportional to 204,530.36, 282,264.72 and 112,649.63 is: 155,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,530.36 : 282,264.72 = 112,649.63 : x
  2. Step 2: Convert to fraction form
    204,530.36/282,264.72 = 112,649.63/x
  3. Step 3: Cross multiply
    204,530.36x = 282,264.72 × 112,649.63
  4. Step 4: Simplify right side
    204,530.36x = 31,797,014,365.89
  5. Step 5: Solve for x
    x = 31,797,014,365.89/204,530.36
  6. Step 6: Final answer
    x = 155,463.54

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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.