Home / 119,994.72-180,017.40-45,115.44

Finding the Fourth Proportional to 119,994.72, 180,017.40 and 45,115.44

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Solution

The fourth proportional to 119,994.72, 180,017.40 and 45,115.44 is: 67,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,994.72 : 180,017.40 = 45,115.44 : x
  2. Step 2: Convert to fraction form
    119,994.72/180,017.40 = 45,115.44/x
  3. Step 3: Cross multiply
    119,994.72x = 180,017.40 × 45,115.44
  4. Step 4: Simplify right side
    119,994.72x = 8,121,564,208.66
  5. Step 5: Solve for x
    x = 8,121,564,208.66/119,994.72
  6. Step 6: Final answer
    x = 67,682.68

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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.