Home / 161,986.90-243,026.99-49,683.60

Finding the Fourth Proportional to 161,986.90, 243,026.99 and 49,683.60

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Solution

The fourth proportional to 161,986.90, 243,026.99 and 49,683.60 is: 74,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,986.90 : 243,026.99 = 49,683.60 : x
  2. Step 2: Convert to fraction form
    161,986.90/243,026.99 = 49,683.60/x
  3. Step 3: Cross multiply
    161,986.90x = 243,026.99 × 49,683.60
  4. Step 4: Simplify right side
    161,986.90x = 12,074,455,760.36
  5. Step 5: Solve for x
    x = 12,074,455,760.36/161,986.90
  6. Step 6: Final answer
    x = 74,539.71

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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.