Home / 152,458.80-228,766.26-72,587.12

Finding the Fourth Proportional to 152,458.80, 228,766.26 and 72,587.12

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Solution

The fourth proportional to 152,458.80, 228,766.26 and 72,587.12 is: 108,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,458.80 : 228,766.26 = 72,587.12 : x
  2. Step 2: Convert to fraction form
    152,458.80/228,766.26 = 72,587.12/x
  3. Step 3: Cross multiply
    152,458.80x = 228,766.26 × 72,587.12
  4. Step 4: Simplify right side
    152,458.80x = 16,605,483,966.57
  5. Step 5: Solve for x
    x = 16,605,483,966.57/152,458.80
  6. Step 6: Final answer
    x = 108,917.85

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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.