Home / 230,834.48-318,550.26-128,854.04

Finding the Fourth Proportional to 230,834.48, 318,550.26 and 128,854.04

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Solution

The fourth proportional to 230,834.48, 318,550.26 and 128,854.04 is: 177,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,834.48 : 318,550.26 = 128,854.04 : x
  2. Step 2: Convert to fraction form
    230,834.48/318,550.26 = 128,854.04/x
  3. Step 3: Cross multiply
    230,834.48x = 318,550.26 × 128,854.04
  4. Step 4: Simplify right side
    230,834.48x = 41,046,487,944.05
  5. Step 5: Solve for x
    x = 41,046,487,944.05/230,834.48
  6. Step 6: Final answer
    x = 177,817.84

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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.