Home / 148,177.48-204,490.74-81,109.48

Finding the Fourth Proportional to 148,177.48, 204,490.74 and 81,109.48

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Solution

The fourth proportional to 148,177.48, 204,490.74 and 81,109.48 is: 111,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,177.48 : 204,490.74 = 81,109.48 : x
  2. Step 2: Convert to fraction form
    148,177.48/204,490.74 = 81,109.48/x
  3. Step 3: Cross multiply
    148,177.48x = 204,490.74 × 81,109.48
  4. Step 4: Simplify right side
    148,177.48x = 16,586,137,586.22
  5. Step 5: Solve for x
    x = 16,586,137,586.22/148,177.48
  6. Step 6: Final answer
    x = 111,934.27

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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.