Home / 126,015.54-189,017.02-47,123.97

Finding the Fourth Proportional to 126,015.54, 189,017.02 and 47,123.97

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Solution

The fourth proportional to 126,015.54, 189,017.02 and 47,123.97 is: 70,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015.54 : 189,017.02 = 47,123.97 : x
  2. Step 2: Convert to fraction form
    126,015.54/189,017.02 = 47,123.97/x
  3. Step 3: Cross multiply
    126,015.54x = 189,017.02 × 47,123.97
  4. Step 4: Simplify right side
    126,015.54x = 8,907,232,379.97
  5. Step 5: Solve for x
    x = 8,907,232,379.97/126,015.54
  6. Step 6: Final answer
    x = 70,683.60

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1.5x scale

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.