Home / 118,971.86-178,424.97-51,526.60

Finding the Fourth Proportional to 118,971.86, 178,424.97 and 51,526.60

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Solution

The fourth proportional to 118,971.86, 178,424.97 and 51,526.60 is: 77,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,971.86 : 178,424.97 = 51,526.60 : x
  2. Step 2: Convert to fraction form
    118,971.86/178,424.97 = 51,526.60/x
  3. Step 3: Cross multiply
    118,971.86x = 178,424.97 × 51,526.60
  4. Step 4: Simplify right side
    118,971.86x = 9,193,631,613.14
  5. Step 5: Solve for x
    x = 9,193,631,613.14/118,971.86
  6. Step 6: Final answer
    x = 77,275.69

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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.