Home / 118,349.15-177,578.60-51,780.51

Finding the Fourth Proportional to 118,349.15, 177,578.60 and 51,780.51

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Solution

The fourth proportional to 118,349.15, 177,578.60 and 51,780.51 is: 77,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,349.15 : 177,578.60 = 51,780.51 : x
  2. Step 2: Convert to fraction form
    118,349.15/177,578.60 = 51,780.51/x
  3. Step 3: Cross multiply
    118,349.15x = 177,578.60 × 51,780.51
  4. Step 4: Simplify right side
    118,349.15x = 9,195,110,214.18
  5. Step 5: Solve for x
    x = 9,195,110,214.18/118,349.15
  6. Step 6: Final answer
    x = 77,694.78

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1.5x scale

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.