Home / 126,730.70-174,870.06-70,141.94

Finding the Fourth Proportional to 126,730.70, 174,870.06 and 70,141.94

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Solution

The fourth proportional to 126,730.70, 174,870.06 and 70,141.94 is: 96,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,730.70 : 174,870.06 = 70,141.94 : x
  2. Step 2: Convert to fraction form
    126,730.70/174,870.06 = 70,141.94/x
  3. Step 3: Cross multiply
    126,730.70x = 174,870.06 × 70,141.94
  4. Step 4: Simplify right side
    126,730.70x = 12,265,725,256.32
  5. Step 5: Solve for x
    x = 12,265,725,256.32/126,730.70
  6. Step 6: Final answer
    x = 96,785.75

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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.