Home / 126,370.26-189,511.65-70,295.58

Finding the Fourth Proportional to 126,370.26, 189,511.65 and 70,295.58

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Solution

The fourth proportional to 126,370.26, 189,511.65 and 70,295.58 is: 105,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,370.26 : 189,511.65 = 70,295.58 : x
  2. Step 2: Convert to fraction form
    126,370.26/189,511.65 = 70,295.58/x
  3. Step 3: Cross multiply
    126,370.26x = 189,511.65 × 70,295.58
  4. Step 4: Simplify right side
    126,370.26x = 13,321,831,353.51
  5. Step 5: Solve for x
    x = 13,321,831,353.51/126,370.26
  6. Step 6: Final answer
    x = 105,419.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.