Home / 177,815.95-245,662.31-149,091.07

Finding the Fourth Proportional to 177,815.95, 245,662.31 and 149,091.07

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Solution

The fourth proportional to 177,815.95, 245,662.31 and 149,091.07 is: 205,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,815.95 : 245,662.31 = 149,091.07 : x
  2. Step 2: Convert to fraction form
    177,815.95/245,662.31 = 149,091.07/x
  3. Step 3: Cross multiply
    177,815.95x = 245,662.31 × 149,091.07
  4. Step 4: Simplify right side
    177,815.95x = 36,626,056,656.57
  5. Step 5: Solve for x
    x = 36,626,056,656.57/177,815.95
  6. Step 6: Final answer
    x = 205,977.34

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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.