Home / 152,907.20-228,712.80-137,225.60

Finding the Fourth Proportional to 152,907.20, 228,712.80 and 137,225.60

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Solution

The fourth proportional to 152,907.20, 228,712.80 and 137,225.60 is: 205,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,907.20 : 228,712.80 = 137,225.60 : x
  2. Step 2: Convert to fraction form
    152,907.20/228,712.80 = 137,225.60/x
  3. Step 3: Cross multiply
    152,907.20x = 228,712.80 × 137,225.60
  4. Step 4: Simplify right side
    152,907.20x = 31,385,251,207.68
  5. Step 5: Solve for x
    x = 31,385,251,207.68/152,907.20
  6. Step 6: Final answer
    x = 205,256.86

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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.