Home / 152,629.55-228,889.65-77,724.80

Finding the Fourth Proportional to 152,629.55, 228,889.65 and 77,724.80

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Solution

The fourth proportional to 152,629.55, 228,889.65 and 77,724.80 is: 116,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,629.55 : 228,889.65 = 77,724.80 : x
  2. Step 2: Convert to fraction form
    152,629.55/228,889.65 = 77,724.80/x
  3. Step 3: Cross multiply
    152,629.55x = 228,889.65 × 77,724.80
  4. Step 4: Simplify right side
    152,629.55x = 17,790,402,268.32
  5. Step 5: Solve for x
    x = 17,790,402,268.32/152,629.55
  6. Step 6: Final answer
    x = 116,559.36

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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.