Home / 126,252.40-174,154.84-80,914.28

Finding the Fourth Proportional to 126,252.40, 174,154.84 and 80,914.28

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Solution

The fourth proportional to 126,252.40, 174,154.84 and 80,914.28 is: 111,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,252.40 : 174,154.84 = 80,914.28 : x
  2. Step 2: Convert to fraction form
    126,252.40/174,154.84 = 80,914.28/x
  3. Step 3: Cross multiply
    126,252.40x = 174,154.84 × 80,914.28
  4. Step 4: Simplify right side
    126,252.40x = 14,091,613,487.12
  5. Step 5: Solve for x
    x = 14,091,613,487.12/126,252.40
  6. Step 6: Final answer
    x = 111,614.62

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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.