Home / 120,322.92-180,431.06-64,152.56

Finding the Fourth Proportional to 120,322.92, 180,431.06 and 64,152.56

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Solution

The fourth proportional to 120,322.92, 180,431.06 and 64,152.56 is: 96,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,322.92 : 180,431.06 = 64,152.56 : x
  2. Step 2: Convert to fraction form
    120,322.92/180,431.06 = 64,152.56/x
  3. Step 3: Cross multiply
    120,322.92x = 180,431.06 × 64,152.56
  4. Step 4: Simplify right side
    120,322.92x = 11,575,115,013.97
  5. Step 5: Solve for x
    x = 11,575,115,013.97/120,322.92
  6. Step 6: Final answer
    x = 96,200.42

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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.