Home / 189,740.20-284,610.30-165,164.20

Finding the Fourth Proportional to 189,740.20, 284,610.30 and 165,164.20

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Solution

The fourth proportional to 189,740.20, 284,610.30 and 165,164.20 is: 247,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,740.20 : 284,610.30 = 165,164.20 : x
  2. Step 2: Convert to fraction form
    189,740.20/284,610.30 = 165,164.20/x
  3. Step 3: Cross multiply
    189,740.20x = 284,610.30 × 165,164.20
  4. Step 4: Simplify right side
    189,740.20x = 47,007,432,511.26
  5. Step 5: Solve for x
    x = 47,007,432,511.26/189,740.20
  6. Step 6: Final answer
    x = 247,746.30

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1.5x scale

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.