Home / 165,255.32-247,888.86-52,920.94

Finding the Fourth Proportional to 165,255.32, 247,888.86 and 52,920.94

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Solution

The fourth proportional to 165,255.32, 247,888.86 and 52,920.94 is: 79,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,255.32 : 247,888.86 = 52,920.94 : x
  2. Step 2: Convert to fraction form
    165,255.32/247,888.86 = 52,920.94/x
  3. Step 3: Cross multiply
    165,255.32x = 247,888.86 × 52,920.94
  4. Step 4: Simplify right side
    165,255.32x = 13,118,511,486.73
  5. Step 5: Solve for x
    x = 13,118,511,486.73/165,255.32
  6. Step 6: Final answer
    x = 79,383.29

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1.5x scale

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.