Home / 126,730.20-174,869.37-70,141.44

Finding the Fourth Proportional to 126,730.20, 174,869.37 and 70,141.44

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Solution

The fourth proportional to 126,730.20, 174,869.37 and 70,141.44 is: 96,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,730.20 : 174,869.37 = 70,141.44 : x
  2. Step 2: Convert to fraction form
    126,730.20/174,869.37 = 70,141.44/x
  3. Step 3: Cross multiply
    126,730.20x = 174,869.37 × 70,141.44
  4. Step 4: Simplify right side
    126,730.20x = 12,265,589,423.69
  5. Step 5: Solve for x
    x = 12,265,589,423.69/126,730.20
  6. Step 6: Final answer
    x = 96,785.06

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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.