Home / 255,313.42-352,329.55-140,589.68

Finding the Fourth Proportional to 255,313.42, 352,329.55 and 140,589.68

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Solution

The fourth proportional to 255,313.42, 352,329.55 and 140,589.68 is: 194,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,313.42 : 352,329.55 = 140,589.68 : x
  2. Step 2: Convert to fraction form
    255,313.42/352,329.55 = 140,589.68/x
  3. Step 3: Cross multiply
    255,313.42x = 352,329.55 × 140,589.68
  4. Step 4: Simplify right side
    255,313.42x = 49,533,896,575.92
  5. Step 5: Solve for x
    x = 49,533,896,575.92/255,313.42
  6. Step 6: Final answer
    x = 194,012.12

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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.