Home / 126,471.60-174,612.18-81,169.10

Finding the Fourth Proportional to 126,471.60, 174,612.18 and 81,169.10

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Solution

The fourth proportional to 126,471.60, 174,612.18 and 81,169.10 is: 112,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,471.60 : 174,612.18 = 81,169.10 : x
  2. Step 2: Convert to fraction form
    126,471.60/174,612.18 = 81,169.10/x
  3. Step 3: Cross multiply
    126,471.60x = 174,612.18 × 81,169.10
  4. Step 4: Simplify right side
    126,471.60x = 14,173,113,499.64
  5. Step 5: Solve for x
    x = 14,173,113,499.64/126,471.60
  6. Step 6: Final answer
    x = 112,065.58

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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.