Home / 189,823.20-284,734.80-165,247.20

Finding the Fourth Proportional to 189,823.20, 284,734.80 and 165,247.20

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Solution

The fourth proportional to 189,823.20, 284,734.80 and 165,247.20 is: 247,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,823.20 : 284,734.80 = 165,247.20 : x
  2. Step 2: Convert to fraction form
    189,823.20/284,734.80 = 165,247.20/x
  3. Step 3: Cross multiply
    189,823.20x = 284,734.80 × 165,247.20
  4. Step 4: Simplify right side
    189,823.20x = 47,051,628,442.56
  5. Step 5: Solve for x
    x = 47,051,628,442.56/189,823.20
  6. Step 6: Final answer
    x = 247,870.80

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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.