Home / 136,380-204,577.29-42,893.04

Finding the Fourth Proportional to 136,380, 204,577.29 and 42,893.04

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Solution

The fourth proportional to 136,380, 204,577.29 and 42,893.04 is: 64,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,380 : 204,577.29 = 42,893.04 : x
  2. Step 2: Convert to fraction form
    136,380/204,577.29 = 42,893.04/x
  3. Step 3: Cross multiply
    136,380x = 204,577.29 × 42,893.04
  4. Step 4: Simplify right side
    136,380x = 8,774,941,883.06
  5. Step 5: Solve for x
    x = 8,774,941,883.06/136,380
  6. Step 6: Final answer
    x = 64,341.85

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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.