Home / 231,595.62-347,330.93-81,816.19

Finding the Fourth Proportional to 231,595.62, 347,330.93 and 81,816.19

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Solution

The fourth proportional to 231,595.62, 347,330.93 and 81,816.19 is: 122,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,595.62 : 347,330.93 = 81,816.19 : x
  2. Step 2: Convert to fraction form
    231,595.62/347,330.93 = 81,816.19/x
  3. Step 3: Cross multiply
    231,595.62x = 347,330.93 × 81,816.19
  4. Step 4: Simplify right side
    231,595.62x = 28,417,293,361.76
  5. Step 5: Solve for x
    x = 28,417,293,361.76/231,595.62
  6. Step 6: Final answer
    x = 122,702.21

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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.