Home / 118,927.76-178,421.39-83,935.76

Finding the Fourth Proportional to 118,927.76, 178,421.39 and 83,935.76

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Solution

The fourth proportional to 118,927.76, 178,421.39 and 83,935.76 is: 125,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,927.76 : 178,421.39 = 83,935.76 : x
  2. Step 2: Convert to fraction form
    118,927.76/178,421.39 = 83,935.76/x
  3. Step 3: Cross multiply
    118,927.76x = 178,421.39 × 83,935.76
  4. Step 4: Simplify right side
    118,927.76x = 14,975,933,658.12
  5. Step 5: Solve for x
    x = 14,975,933,658.12/118,927.76
  6. Step 6: Final answer
    x = 125,924.63

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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.