Home / 230,229.73-317,632.75-139,520.26

Finding the Fourth Proportional to 230,229.73, 317,632.75 and 139,520.26

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Solution

The fourth proportional to 230,229.73, 317,632.75 and 139,520.26 is: 192,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,229.73 : 317,632.75 = 139,520.26 : x
  2. Step 2: Convert to fraction form
    230,229.73/317,632.75 = 139,520.26/x
  3. Step 3: Cross multiply
    230,229.73x = 317,632.75 × 139,520.26
  4. Step 4: Simplify right side
    230,229.73x = 44,316,203,864.52
  5. Step 5: Solve for x
    x = 44,316,203,864.52/230,229.73
  6. Step 6: Final answer
    x = 192,486.89

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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.