Home / 118,764.11-178,162.56-39,900.89

Finding the Fourth Proportional to 118,764.11, 178,162.56 and 39,900.89

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Solution

The fourth proportional to 118,764.11, 178,162.56 and 39,900.89 is: 59,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,764.11 : 178,162.56 = 39,900.89 : x
  2. Step 2: Convert to fraction form
    118,764.11/178,162.56 = 39,900.89/x
  3. Step 3: Cross multiply
    118,764.11x = 178,162.56 × 39,900.89
  4. Step 4: Simplify right side
    118,764.11x = 7,108,843,817.87
  5. Step 5: Solve for x
    x = 7,108,843,817.87/118,764.11
  6. Step 6: Final answer
    x = 59,856.84

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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.