Home / 212,084.33-292,674.31-157,878.90

Finding the Fourth Proportional to 212,084.33, 292,674.31 and 157,878.90

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Solution

The fourth proportional to 212,084.33, 292,674.31 and 157,878.90 is: 217,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,084.33 : 292,674.31 = 157,878.90 : x
  2. Step 2: Convert to fraction form
    212,084.33/292,674.31 = 157,878.90/x
  3. Step 3: Cross multiply
    212,084.33x = 292,674.31 × 157,878.90
  4. Step 4: Simplify right side
    212,084.33x = 46,207,097,791.28
  5. Step 5: Solve for x
    x = 46,207,097,791.28/212,084.33
  6. Step 6: Final answer
    x = 217,871.35

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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.