Home / 147,858.32-203,832.03-105,343.04

Finding the Fourth Proportional to 147,858.32, 203,832.03 and 105,343.04

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Solution

The fourth proportional to 147,858.32, 203,832.03 and 105,343.04 is: 145,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,858.32 : 203,832.03 = 105,343.04 : x
  2. Step 2: Convert to fraction form
    147,858.32/203,832.03 = 105,343.04/x
  3. Step 3: Cross multiply
    147,858.32x = 203,832.03 × 105,343.04
  4. Step 4: Simplify right side
    147,858.32x = 21,472,286,199.15
  5. Step 5: Solve for x
    x = 21,472,286,199.15/147,858.32
  6. Step 6: Final answer
    x = 145,222.03

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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.