Home / 118,618.40-177,934.08-39,725.48

Finding the Fourth Proportional to 118,618.40, 177,934.08 and 39,725.48

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Solution

The fourth proportional to 118,618.40, 177,934.08 and 39,725.48 is: 59,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,618.40 : 177,934.08 = 39,725.48 : x
  2. Step 2: Convert to fraction form
    118,618.40/177,934.08 = 39,725.48/x
  3. Step 3: Cross multiply
    118,618.40x = 177,934.08 × 39,725.48
  4. Step 4: Simplify right side
    118,618.40x = 7,068,516,736.36
  5. Step 5: Solve for x
    x = 7,068,516,736.36/118,618.40
  6. Step 6: Final answer
    x = 59,590.39

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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.