Home / 148,586.72-204,999.81-84,879.42

Finding the Fourth Proportional to 148,586.72, 204,999.81 and 84,879.42

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Solution

The fourth proportional to 148,586.72, 204,999.81 and 84,879.42 is: 117,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,586.72 : 204,999.81 = 84,879.42 : x
  2. Step 2: Convert to fraction form
    148,586.72/204,999.81 = 84,879.42/x
  3. Step 3: Cross multiply
    148,586.72x = 204,999.81 × 84,879.42
  4. Step 4: Simplify right side
    148,586.72x = 17,400,264,972.91
  5. Step 5: Solve for x
    x = 17,400,264,972.91/148,586.72
  6. Step 6: Final answer
    x = 117,105.12

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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.