Home / 120,488.24-166,259.40-66,768.32

Finding the Fourth Proportional to 120,488.24, 166,259.40 and 66,768.32

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Solution

The fourth proportional to 120,488.24, 166,259.40 and 66,768.32 is: 92,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,488.24 : 166,259.40 = 66,768.32 : x
  2. Step 2: Convert to fraction form
    120,488.24/166,259.40 = 66,768.32/x
  3. Step 3: Cross multiply
    120,488.24x = 166,259.40 × 66,768.32
  4. Step 4: Simplify right side
    120,488.24x = 11,100,860,822.21
  5. Step 5: Solve for x
    x = 11,100,860,822.21/120,488.24
  6. Step 6: Final answer
    x = 92,132.32

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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.