Home / 231,386.10-347,106.96-81,595.50

Finding the Fourth Proportional to 231,386.10, 347,106.96 and 81,595.50

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Solution

The fourth proportional to 231,386.10, 347,106.96 and 81,595.50 is: 122,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,386.10 : 347,106.96 = 81,595.50 : x
  2. Step 2: Convert to fraction form
    231,386.10/347,106.96 = 81,595.50/x
  3. Step 3: Cross multiply
    231,386.10x = 347,106.96 × 81,595.50
  4. Step 4: Simplify right side
    231,386.10x = 28,322,365,954.68
  5. Step 5: Solve for x
    x = 28,322,365,954.68/231,386.10
  6. Step 6: Final answer
    x = 122,403.06

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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.