Home / 112,059.79-168,082.39-45,505.73

Finding the Fourth Proportional to 112,059.79, 168,082.39 and 45,505.73

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Solution

The fourth proportional to 112,059.79, 168,082.39 and 45,505.73 is: 68,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,059.79 : 168,082.39 = 45,505.73 : x
  2. Step 2: Convert to fraction form
    112,059.79/168,082.39 = 45,505.73/x
  3. Step 3: Cross multiply
    112,059.79x = 168,082.39 × 45,505.73
  4. Step 4: Simplify right side
    112,059.79x = 7,648,712,334.18
  5. Step 5: Solve for x
    x = 7,648,712,334.18/112,059.79
  6. Step 6: Final answer
    x = 68,255.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.