Home / 189,600.42-284,401.40-47,445.30

Finding the Fourth Proportional to 189,600.42, 284,401.40 and 47,445.30

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Solution

The fourth proportional to 189,600.42, 284,401.40 and 47,445.30 is: 71,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,600.42 : 284,401.40 = 47,445.30 : x
  2. Step 2: Convert to fraction form
    189,600.42/284,401.40 = 47,445.30/x
  3. Step 3: Cross multiply
    189,600.42x = 284,401.40 × 47,445.30
  4. Step 4: Simplify right side
    189,600.42x = 13,493,509,743.42
  5. Step 5: Solve for x
    x = 13,493,509,743.42/189,600.42
  6. Step 6: Final answer
    x = 71,168.14

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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.