Home / 120,409.46-166,166.77-69,421.18

Finding the Fourth Proportional to 120,409.46, 166,166.77 and 69,421.18

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Solution

The fourth proportional to 120,409.46, 166,166.77 and 69,421.18 is: 95,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,409.46 : 166,166.77 = 69,421.18 : x
  2. Step 2: Convert to fraction form
    120,409.46/166,166.77 = 69,421.18/x
  3. Step 3: Cross multiply
    120,409.46x = 166,166.77 × 69,421.18
  4. Step 4: Simplify right side
    120,409.46x = 11,535,493,250.19
  5. Step 5: Solve for x
    x = 11,535,493,250.19/120,409.46
  6. Step 6: Final answer
    x = 95,802.22

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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.