Home / 120,181.68-180,381.42-64,068.84

Finding the Fourth Proportional to 120,181.68, 180,381.42 and 64,068.84

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Solution

The fourth proportional to 120,181.68, 180,381.42 and 64,068.84 is: 96,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,181.68 : 180,381.42 = 64,068.84 : x
  2. Step 2: Convert to fraction form
    120,181.68/180,381.42 = 64,068.84/x
  3. Step 3: Cross multiply
    120,181.68x = 180,381.42 × 64,068.84
  4. Step 4: Simplify right side
    120,181.68x = 11,556,828,336.95
  5. Step 5: Solve for x
    x = 11,556,828,336.95/120,181.68
  6. Step 6: Final answer
    x = 96,161.31

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1.5x scale

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.