Home / 120,291.66-180,436.68-94,018.50

Finding the Fourth Proportional to 120,291.66, 180,436.68 and 94,018.50

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Solution

The fourth proportional to 120,291.66, 180,436.68 and 94,018.50 is: 141,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,291.66 : 180,436.68 = 94,018.50 : x
  2. Step 2: Convert to fraction form
    120,291.66/180,436.68 = 94,018.50/x
  3. Step 3: Cross multiply
    120,291.66x = 180,436.68 × 94,018.50
  4. Step 4: Simplify right side
    120,291.66x = 16,964,385,998.58
  5. Step 5: Solve for x
    x = 16,964,385,998.58/120,291.66
  6. Step 6: Final answer
    x = 141,027.12

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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.