Home / 231,820.53-347,730.80-126,582.09

Finding the Fourth Proportional to 231,820.53, 347,730.80 and 126,582.09

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Solution

The fourth proportional to 231,820.53, 347,730.80 and 126,582.09 is: 189,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,820.53 : 347,730.80 = 126,582.09 : x
  2. Step 2: Convert to fraction form
    231,820.53/347,730.80 = 126,582.09/x
  3. Step 3: Cross multiply
    231,820.53x = 347,730.80 × 126,582.09
  4. Step 4: Simplify right side
    231,820.53x = 44,016,490,788.46
  5. Step 5: Solve for x
    x = 44,016,490,788.46/231,820.53
  6. Step 6: Final answer
    x = 189,873.14

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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.