Home / 136,352.64-204,636.96-57,521.28

Finding the Fourth Proportional to 136,352.64, 204,636.96 and 57,521.28

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Solution

The fourth proportional to 136,352.64, 204,636.96 and 57,521.28 is: 86,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,352.64 : 204,636.96 = 57,521.28 : x
  2. Step 2: Convert to fraction form
    136,352.64/204,636.96 = 57,521.28/x
  3. Step 3: Cross multiply
    136,352.64x = 204,636.96 × 57,521.28
  4. Step 4: Simplify right side
    136,352.64x = 11,770,979,874.51
  5. Step 5: Solve for x
    x = 11,770,979,874.51/136,352.64
  6. Step 6: Final answer
    x = 86,327.48

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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.