Home / 118,857.64-178,285.10-28,900.86

Finding the Fourth Proportional to 118,857.64, 178,285.10 and 28,900.86

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Solution

The fourth proportional to 118,857.64, 178,285.10 and 28,900.86 is: 43,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,857.64 : 178,285.10 = 28,900.86 : x
  2. Step 2: Convert to fraction form
    118,857.64/178,285.10 = 28,900.86/x
  3. Step 3: Cross multiply
    118,857.64x = 178,285.10 × 28,900.86
  4. Step 4: Simplify right side
    118,857.64x = 5,152,592,570.68
  5. Step 5: Solve for x
    x = 5,152,592,570.68/118,857.64
  6. Step 6: Final answer
    x = 43,350.96

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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.