Home / 255,337.88-352,377.20-142,160.63

Finding the Fourth Proportional to 255,337.88, 352,377.20 and 142,160.63

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Solution

The fourth proportional to 255,337.88, 352,377.20 and 142,160.63 is: 196,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,337.88 : 352,377.20 = 142,160.63 : x
  2. Step 2: Convert to fraction form
    255,337.88/352,377.20 = 142,160.63/x
  3. Step 3: Cross multiply
    255,337.88x = 352,377.20 × 142,160.63
  4. Step 4: Simplify right side
    255,337.88x = 50,094,163,343.15
  5. Step 5: Solve for x
    x = 50,094,163,343.15/255,337.88
  6. Step 6: Final answer
    x = 196,187.75

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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.