Home / 189,603.06-284,487.62-89,834.56

Finding the Fourth Proportional to 189,603.06, 284,487.62 and 89,834.56

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Solution

The fourth proportional to 189,603.06, 284,487.62 and 89,834.56 is: 134,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,603.06 : 284,487.62 = 89,834.56 : x
  2. Step 2: Convert to fraction form
    189,603.06/284,487.62 = 89,834.56/x
  3. Step 3: Cross multiply
    189,603.06x = 284,487.62 × 89,834.56
  4. Step 4: Simplify right side
    189,603.06x = 25,556,820,168.15
  5. Step 5: Solve for x
    x = 25,556,820,168.15/189,603.06
  6. Step 6: Final answer
    x = 134,791.18

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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.