Home / 126,365.49-174,399.39-72,652.77

Finding the Fourth Proportional to 126,365.49, 174,399.39 and 72,652.77

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Solution

The fourth proportional to 126,365.49, 174,399.39 and 72,652.77 is: 100,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,365.49 : 174,399.39 = 72,652.77 : x
  2. Step 2: Convert to fraction form
    126,365.49/174,399.39 = 72,652.77/x
  3. Step 3: Cross multiply
    126,365.49x = 174,399.39 × 72,652.77
  4. Step 4: Simplify right side
    126,365.49x = 12,670,598,769.81
  5. Step 5: Solve for x
    x = 12,670,598,769.81/126,365.49
  6. Step 6: Final answer
    x = 100,269.45

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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.