Home / 218,213.76-301,130.26-126,336.92

Finding the Fourth Proportional to 218,213.76, 301,130.26 and 126,336.92

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Solution

The fourth proportional to 218,213.76, 301,130.26 and 126,336.92 is: 174,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,213.76 : 301,130.26 = 126,336.92 : x
  2. Step 2: Convert to fraction form
    218,213.76/301,130.26 = 126,336.92/x
  3. Step 3: Cross multiply
    218,213.76x = 301,130.26 × 126,336.92
  4. Step 4: Simplify right side
    218,213.76x = 38,043,869,567.20
  5. Step 5: Solve for x
    x = 38,043,869,567.20/218,213.76
  6. Step 6: Final answer
    x = 174,342.21

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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.