Home / 178,406.90-246,212.94-117,871.38

Finding the Fourth Proportional to 178,406.90, 246,212.94 and 117,871.38

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Solution

The fourth proportional to 178,406.90, 246,212.94 and 117,871.38 is: 162,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,406.90 : 246,212.94 = 117,871.38 : x
  2. Step 2: Convert to fraction form
    178,406.90/246,212.94 = 117,871.38/x
  3. Step 3: Cross multiply
    178,406.90x = 246,212.94 × 117,871.38
  4. Step 4: Simplify right side
    178,406.90x = 29,021,459,011.66
  5. Step 5: Solve for x
    x = 29,021,459,011.66/178,406.90
  6. Step 6: Final answer
    x = 162,670.05

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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.