Home / 152,319.96-228,342.60-72,308.52

Finding the Fourth Proportional to 152,319.96, 228,342.60 and 72,308.52

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Solution

The fourth proportional to 152,319.96, 228,342.60 and 72,308.52 is: 108,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319.96 : 228,342.60 = 72,308.52 : x
  2. Step 2: Convert to fraction form
    152,319.96/228,342.60 = 72,308.52/x
  3. Step 3: Cross multiply
    152,319.96x = 228,342.60 × 72,308.52
  4. Step 4: Simplify right side
    152,319.96x = 16,511,115,458.95
  5. Step 5: Solve for x
    x = 16,511,115,458.95/152,319.96
  6. Step 6: Final answer
    x = 108,397.58

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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.