Home / 255,110.85-352,056.18-140,402.70

Finding the Fourth Proportional to 255,110.85, 352,056.18 and 140,402.70

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Solution

The fourth proportional to 255,110.85, 352,056.18 and 140,402.70 is: 193,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,110.85 : 352,056.18 = 140,402.70 : x
  2. Step 2: Convert to fraction form
    255,110.85/352,056.18 = 140,402.70/x
  3. Step 3: Cross multiply
    255,110.85x = 352,056.18 × 140,402.70
  4. Step 4: Simplify right side
    255,110.85x = 49,429,638,223.69
  5. Step 5: Solve for x
    x = 49,429,638,223.69/255,110.85
  6. Step 6: Final answer
    x = 193,757.49

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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.