Home / 169,870.20-254,829.60-51,550.80

Finding the Fourth Proportional to 169,870.20, 254,829.60 and 51,550.80

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Solution

The fourth proportional to 169,870.20, 254,829.60 and 51,550.80 is: 77,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,870.20 : 254,829.60 = 51,550.80 : x
  2. Step 2: Convert to fraction form
    169,870.20/254,829.60 = 51,550.80/x
  3. Step 3: Cross multiply
    169,870.20x = 254,829.60 × 51,550.80
  4. Step 4: Simplify right side
    169,870.20x = 13,136,669,743.68
  5. Step 5: Solve for x
    x = 13,136,669,743.68/169,870.20
  6. Step 6: Final answer
    x = 77,333.57

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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.