Home / 111,828.20-167,612.70-45,235.40

Finding the Fourth Proportional to 111,828.20, 167,612.70 and 45,235.40

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Solution

The fourth proportional to 111,828.20, 167,612.70 and 45,235.40 is: 67,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,828.20 : 167,612.70 = 45,235.40 : x
  2. Step 2: Convert to fraction form
    111,828.20/167,612.70 = 45,235.40/x
  3. Step 3: Cross multiply
    111,828.20x = 167,612.70 × 45,235.40
  4. Step 4: Simplify right side
    111,828.20x = 7,582,027,529.58
  5. Step 5: Solve for x
    x = 7,582,027,529.58/111,828.20
  6. Step 6: Final answer
    x = 67,800.68

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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.