Home / 120,577.04-166,404.84-66,867.20

Finding the Fourth Proportional to 120,577.04, 166,404.84 and 66,867.20

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Solution

The fourth proportional to 120,577.04, 166,404.84 and 66,867.20 is: 92,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,577.04 : 166,404.84 = 66,867.20 : x
  2. Step 2: Convert to fraction form
    120,577.04/166,404.84 = 66,867.20/x
  3. Step 3: Cross multiply
    120,577.04x = 166,404.84 × 66,867.20
  4. Step 4: Simplify right side
    120,577.04x = 11,127,025,717.25
  5. Step 5: Solve for x
    x = 11,127,025,717.25/120,577.04
  6. Step 6: Final answer
    x = 92,281.46

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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.