Home / 126,473.60-174,614.96-81,171.12

Finding the Fourth Proportional to 126,473.60, 174,614.96 and 81,171.12

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Solution

The fourth proportional to 126,473.60, 174,614.96 and 81,171.12 is: 112,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,473.60 : 174,614.96 = 81,171.12 : x
  2. Step 2: Convert to fraction form
    126,473.60/174,614.96 = 81,171.12/x
  3. Step 3: Cross multiply
    126,473.60x = 174,614.96 × 81,171.12
  4. Step 4: Simplify right side
    126,473.60x = 14,173,691,871.96
  5. Step 5: Solve for x
    x = 14,173,691,871.96/126,473.60
  6. Step 6: Final answer
    x = 112,068.38

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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.