Home / 133,389.02-184,082.75-76,818.62

Finding the Fourth Proportional to 133,389.02, 184,082.75 and 76,818.62

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Solution

The fourth proportional to 133,389.02, 184,082.75 and 76,818.62 is: 106,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,389.02 : 184,082.75 = 76,818.62 : x
  2. Step 2: Convert to fraction form
    133,389.02/184,082.75 = 76,818.62/x
  3. Step 3: Cross multiply
    133,389.02x = 184,082.75 × 76,818.62
  4. Step 4: Simplify right side
    133,389.02x = 14,140,981,516.30
  5. Step 5: Solve for x
    x = 14,140,981,516.30/133,389.02
  6. Step 6: Final answer
    x = 106,013.09

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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.