Home / 192,435.32-288,602.40-57,467.36

Finding the Fourth Proportional to 192,435.32, 288,602.40 and 57,467.36

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Solution

The fourth proportional to 192,435.32, 288,602.40 and 57,467.36 is: 86,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,435.32 : 288,602.40 = 57,467.36 : x
  2. Step 2: Convert to fraction form
    192,435.32/288,602.40 = 57,467.36/x
  3. Step 3: Cross multiply
    192,435.32x = 288,602.40 × 57,467.36
  4. Step 4: Simplify right side
    192,435.32x = 16,585,218,017.66
  5. Step 5: Solve for x
    x = 16,585,218,017.66/192,435.32
  6. Step 6: Final answer
    x = 86,185.94

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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.