Home / 120,319.58-166,044.93-69,328.35

Finding the Fourth Proportional to 120,319.58, 166,044.93 and 69,328.35

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Solution

The fourth proportional to 120,319.58, 166,044.93 and 69,328.35 is: 95,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,319.58 : 166,044.93 = 69,328.35 : x
  2. Step 2: Convert to fraction form
    120,319.58/166,044.93 = 69,328.35/x
  3. Step 3: Cross multiply
    120,319.58x = 166,044.93 × 69,328.35
  4. Step 4: Simplify right side
    120,319.58x = 11,511,621,022.77
  5. Step 5: Solve for x
    x = 11,511,621,022.77/120,319.58
  6. Step 6: Final answer
    x = 95,675.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.