Home / 189,028.63-260,897.18-108,510.55

Finding the Fourth Proportional to 189,028.63, 260,897.18 and 108,510.55

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Solution

The fourth proportional to 189,028.63, 260,897.18 and 108,510.55 is: 149,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,028.63 : 260,897.18 = 108,510.55 : x
  2. Step 2: Convert to fraction form
    189,028.63/260,897.18 = 108,510.55/x
  3. Step 3: Cross multiply
    189,028.63x = 260,897.18 × 108,510.55
  4. Step 4: Simplify right side
    189,028.63x = 28,310,096,495.25
  5. Step 5: Solve for x
    x = 28,310,096,495.25/189,028.63
  6. Step 6: Final answer
    x = 149,766.18

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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.