Home / 126,550.10-174,683.11-72,856.51

Finding the Fourth Proportional to 126,550.10, 174,683.11 and 72,856.51

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Solution

The fourth proportional to 126,550.10, 174,683.11 and 72,856.51 is: 100,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,550.10 : 174,683.11 = 72,856.51 : x
  2. Step 2: Convert to fraction form
    126,550.10/174,683.11 = 72,856.51/x
  3. Step 3: Cross multiply
    126,550.10x = 174,683.11 × 72,856.51
  4. Step 4: Simplify right side
    126,550.10x = 12,726,802,059.97
  5. Step 5: Solve for x
    x = 12,726,802,059.97/126,550.10
  6. Step 6: Final answer
    x = 100,567.31

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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.