Home / 120,604.86-166,444.90-66,907.16

Finding the Fourth Proportional to 120,604.86, 166,444.90 and 66,907.16

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Solution

The fourth proportional to 120,604.86, 166,444.90 and 66,907.16 is: 92,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,604.86 : 166,444.90 = 66,907.16 : x
  2. Step 2: Convert to fraction form
    120,604.86/166,444.90 = 66,907.16/x
  3. Step 3: Cross multiply
    120,604.86x = 166,444.90 × 66,907.16
  4. Step 4: Simplify right side
    120,604.86x = 11,136,355,555.48
  5. Step 5: Solve for x
    x = 11,136,355,555.48/120,604.86
  6. Step 6: Final answer
    x = 92,337.54

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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.