Home / 120,856.55-166,808.72-67,160.03

Finding the Fourth Proportional to 120,856.55, 166,808.72 and 67,160.03

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Solution

The fourth proportional to 120,856.55, 166,808.72 and 67,160.03 is: 92,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,856.55 : 166,808.72 = 67,160.03 : x
  2. Step 2: Convert to fraction form
    120,856.55/166,808.72 = 67,160.03/x
  3. Step 3: Cross multiply
    120,856.55x = 166,808.72 × 67,160.03
  4. Step 4: Simplify right side
    120,856.55x = 11,202,878,303.66
  5. Step 5: Solve for x
    x = 11,202,878,303.66/120,856.55
  6. Step 6: Final answer
    x = 92,695.67

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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.