Home / 119,087.20-178,630.80-40,182.40

Finding the Fourth Proportional to 119,087.20, 178,630.80 and 40,182.40

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Solution

The fourth proportional to 119,087.20, 178,630.80 and 40,182.40 is: 60,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,087.20 : 178,630.80 = 40,182.40 : x
  2. Step 2: Convert to fraction form
    119,087.20/178,630.80 = 40,182.40/x
  3. Step 3: Cross multiply
    119,087.20x = 178,630.80 × 40,182.40
  4. Step 4: Simplify right side
    119,087.20x = 7,177,814,257.92
  5. Step 5: Solve for x
    x = 7,177,814,257.92/119,087.20
  6. Step 6: Final answer
    x = 60,273.60

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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.