Home / 243,725.12-336,334.38-134,826.63

Finding the Fourth Proportional to 243,725.12, 336,334.38 and 134,826.63

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Solution

The fourth proportional to 243,725.12, 336,334.38 and 134,826.63 is: 186,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,725.12 : 336,334.38 = 134,826.63 : x
  2. Step 2: Convert to fraction form
    243,725.12/336,334.38 = 134,826.63/x
  3. Step 3: Cross multiply
    243,725.12x = 336,334.38 × 134,826.63
  4. Step 4: Simplify right side
    243,725.12x = 45,346,831,008.54
  5. Step 5: Solve for x
    x = 45,346,831,008.54/243,725.12
  6. Step 6: Final answer
    x = 186,057.28

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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.