Home / 118,535.07-177,820.29-43,649.46

Finding the Fourth Proportional to 118,535.07, 177,820.29 and 43,649.46

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Solution

The fourth proportional to 118,535.07, 177,820.29 and 43,649.46 is: 65,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,535.07 : 177,820.29 = 43,649.46 : x
  2. Step 2: Convert to fraction form
    118,535.07/177,820.29 = 43,649.46/x
  3. Step 3: Cross multiply
    118,535.07x = 177,820.29 × 43,649.46
  4. Step 4: Simplify right side
    118,535.07x = 7,761,759,635.54
  5. Step 5: Solve for x
    x = 7,761,759,635.54/118,535.07
  6. Step 6: Final answer
    x = 65,480.70

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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.