Home / 120,056.48-180,094.94-35,811.21

Finding the Fourth Proportional to 120,056.48, 180,094.94 and 35,811.21

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Solution

The fourth proportional to 120,056.48, 180,094.94 and 35,811.21 is: 53,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,056.48 : 180,094.94 = 35,811.21 : x
  2. Step 2: Convert to fraction form
    120,056.48/180,094.94 = 35,811.21/x
  3. Step 3: Cross multiply
    120,056.48x = 180,094.94 × 35,811.21
  4. Step 4: Simplify right side
    120,056.48x = 6,449,417,537.22
  5. Step 5: Solve for x
    x = 6,449,417,537.22/120,056.48
  6. Step 6: Final answer
    x = 53,719.86

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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.