Home / 120,826.73-166,722.34-69,829.60

Finding the Fourth Proportional to 120,826.73, 166,722.34 and 69,829.60

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Solution

The fourth proportional to 120,826.73, 166,722.34 and 69,829.60 is: 96,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,826.73 : 166,722.34 = 69,829.60 : x
  2. Step 2: Convert to fraction form
    120,826.73/166,722.34 = 69,829.60/x
  3. Step 3: Cross multiply
    120,826.73x = 166,722.34 × 69,829.60
  4. Step 4: Simplify right side
    120,826.73x = 11,642,154,313.26
  5. Step 5: Solve for x
    x = 11,642,154,313.26/120,826.73
  6. Step 6: Final answer
    x = 96,354.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.