Home / 133,082.60-183,660.90-76,499.24

Finding the Fourth Proportional to 133,082.60, 183,660.90 and 76,499.24

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Solution

The fourth proportional to 133,082.60, 183,660.90 and 76,499.24 is: 105,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,082.60 : 183,660.90 = 76,499.24 : x
  2. Step 2: Convert to fraction form
    133,082.60/183,660.90 = 76,499.24/x
  3. Step 3: Cross multiply
    133,082.60x = 183,660.90 × 76,499.24
  4. Step 4: Simplify right side
    133,082.60x = 14,049,919,267.72
  5. Step 5: Solve for x
    x = 14,049,919,267.72/133,082.60
  6. Step 6: Final answer
    x = 105,572.92

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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.