Home / 126,528.69-174,604.29-74,879.27

Finding the Fourth Proportional to 126,528.69, 174,604.29 and 74,879.27

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Solution

The fourth proportional to 126,528.69, 174,604.29 and 74,879.27 is: 103,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,528.69 : 174,604.29 = 74,879.27 : x
  2. Step 2: Convert to fraction form
    126,528.69/174,604.29 = 74,879.27/x
  3. Step 3: Cross multiply
    126,528.69x = 174,604.29 × 74,879.27
  4. Step 4: Simplify right side
    126,528.69x = 13,074,241,150.36
  5. Step 5: Solve for x
    x = 13,074,241,150.36/126,528.69
  6. Step 6: Final answer
    x = 103,330.25

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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.