Home / 119,126.40-178,709.04-40,245.36

Finding the Fourth Proportional to 119,126.40, 178,709.04 and 40,245.36

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Solution

The fourth proportional to 119,126.40, 178,709.04 and 40,245.36 is: 60,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,126.40 : 178,709.04 = 40,245.36 : x
  2. Step 2: Convert to fraction form
    119,126.40/178,709.04 = 40,245.36/x
  3. Step 3: Cross multiply
    119,126.40x = 178,709.04 × 40,245.36
  4. Step 4: Simplify right side
    119,126.40x = 7,192,209,650.05
  5. Step 5: Solve for x
    x = 7,192,209,650.05/119,126.40
  6. Step 6: Final answer
    x = 60,374.61

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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.