Home / 255,377.54-352,416.86-140,667.10

Finding the Fourth Proportional to 255,377.54, 352,416.86 and 140,667.10

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Solution

The fourth proportional to 255,377.54, 352,416.86 and 140,667.10 is: 194,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,377.54 : 352,416.86 = 140,667.10 : x
  2. Step 2: Convert to fraction form
    255,377.54/352,416.86 = 140,667.10/x
  3. Step 3: Cross multiply
    255,377.54x = 352,416.86 × 140,667.10
  4. Step 4: Simplify right side
    255,377.54x = 49,573,457,687.31
  5. Step 5: Solve for x
    x = 49,573,457,687.31/255,377.54
  6. Step 6: Final answer
    x = 194,118.31

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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.