Home / 118,272.96-177,341.27-80,878.34

Finding the Fourth Proportional to 118,272.96, 177,341.27 and 80,878.34

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Solution

The fourth proportional to 118,272.96, 177,341.27 and 80,878.34 is: 121,270.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,272.96 : 177,341.27 = 80,878.34 : x
  2. Step 2: Convert to fraction form
    118,272.96/177,341.27 = 80,878.34/x
  3. Step 3: Cross multiply
    118,272.96x = 177,341.27 × 80,878.34
  4. Step 4: Simplify right side
    118,272.96x = 14,343,066,493.73
  5. Step 5: Solve for x
    x = 14,343,066,493.73/118,272.96
  6. Step 6: Final answer
    x = 121,270.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.