Home / 151,268.50-208,750.53-87,626.80

Finding the Fourth Proportional to 151,268.50, 208,750.53 and 87,626.80

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Solution

The fourth proportional to 151,268.50, 208,750.53 and 87,626.80 is: 120,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,268.50 : 208,750.53 = 87,626.80 : x
  2. Step 2: Convert to fraction form
    151,268.50/208,750.53 = 87,626.80/x
  3. Step 3: Cross multiply
    151,268.50x = 208,750.53 × 87,626.80
  4. Step 4: Simplify right side
    151,268.50x = 18,292,140,942.20
  5. Step 5: Solve for x
    x = 18,292,140,942.20/151,268.50
  6. Step 6: Final answer
    x = 120,924.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.