Home / 156,735.37-216,361.01-105,817.06

Finding the Fourth Proportional to 156,735.37, 216,361.01 and 105,817.06

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Solution

The fourth proportional to 156,735.37, 216,361.01 and 105,817.06 is: 146,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,735.37 : 216,361.01 = 105,817.06 : x
  2. Step 2: Convert to fraction form
    156,735.37/216,361.01 = 105,817.06/x
  3. Step 3: Cross multiply
    156,735.37x = 216,361.01 × 105,817.06
  4. Step 4: Simplify right side
    156,735.37x = 22,894,686,782.28
  5. Step 5: Solve for x
    x = 22,894,686,782.28/156,735.37
  6. Step 6: Final answer
    x = 146,072.24

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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.