Home / 120,835.03-166,730.36-69,829.07

Finding the Fourth Proportional to 120,835.03, 166,730.36 and 69,829.07

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Solution

The fourth proportional to 120,835.03, 166,730.36 and 69,829.07 is: 96,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,835.03 : 166,730.36 = 69,829.07 : x
  2. Step 2: Convert to fraction form
    120,835.03/166,730.36 = 69,829.07/x
  3. Step 3: Cross multiply
    120,835.03x = 166,730.36 × 69,829.07
  4. Step 4: Simplify right side
    120,835.03x = 11,642,624,796.77
  5. Step 5: Solve for x
    x = 11,642,624,796.77/120,835.03
  6. Step 6: Final answer
    x = 96,351.41

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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.