Home / 118,925.57-178,038.44-79,384.61

Finding the Fourth Proportional to 118,925.57, 178,038.44 and 79,384.61

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Solution

The fourth proportional to 118,925.57, 178,038.44 and 79,384.61 is: 118,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,925.57 : 178,038.44 = 79,384.61 : x
  2. Step 2: Convert to fraction form
    118,925.57/178,038.44 = 79,384.61/x
  3. Step 3: Cross multiply
    118,925.57x = 178,038.44 × 79,384.61
  4. Step 4: Simplify right side
    118,925.57x = 14,133,512,470.27
  5. Step 5: Solve for x
    x = 14,133,512,470.27/118,925.57
  6. Step 6: Final answer
    x = 118,843.34

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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.