Home / 118,746.25-178,131.05-34,507.15

Finding the Fourth Proportional to 118,746.25, 178,131.05 and 34,507.15

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Solution

The fourth proportional to 118,746.25, 178,131.05 and 34,507.15 is: 51,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,746.25 : 178,131.05 = 34,507.15 : x
  2. Step 2: Convert to fraction form
    118,746.25/178,131.05 = 34,507.15/x
  3. Step 3: Cross multiply
    118,746.25x = 178,131.05 × 34,507.15
  4. Step 4: Simplify right side
    118,746.25x = 6,146,793,971.35
  5. Step 5: Solve for x
    x = 6,146,793,971.35/118,746.25
  6. Step 6: Final answer
    x = 51,764.11

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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.