Home / 178,725.80-246,643.31-98,155

Finding the Fourth Proportional to 178,725.80, 246,643.31 and 98,155

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Solution

The fourth proportional to 178,725.80, 246,643.31 and 98,155 is: 135,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,725.80 : 246,643.31 = 98,155 : x
  2. Step 2: Convert to fraction form
    178,725.80/246,643.31 = 98,155/x
  3. Step 3: Cross multiply
    178,725.80x = 246,643.31 × 98,155
  4. Step 4: Simplify right side
    178,725.80x = 24,209,274,093.05
  5. Step 5: Solve for x
    x = 24,209,274,093.05/178,725.80
  6. Step 6: Final answer
    x = 135,454.84

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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.