Home / 120,670.28-166,501.86-69,003.77

Finding the Fourth Proportional to 120,670.28, 166,501.86 and 69,003.77

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Solution

The fourth proportional to 120,670.28, 166,501.86 and 69,003.77 is: 95,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,670.28 : 166,501.86 = 69,003.77 : x
  2. Step 2: Convert to fraction form
    120,670.28/166,501.86 = 69,003.77/x
  3. Step 3: Cross multiply
    120,670.28x = 166,501.86 × 69,003.77
  4. Step 4: Simplify right side
    120,670.28x = 11,489,255,219.50
  5. Step 5: Solve for x
    x = 11,489,255,219.50/120,670.28
  6. Step 6: Final answer
    x = 95,211.98

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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.