Home / 225,852.18-311,673.89-123,875.57

Finding the Fourth Proportional to 225,852.18, 311,673.89 and 123,875.57

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Solution

The fourth proportional to 225,852.18, 311,673.89 and 123,875.57 is: 170,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,852.18 : 311,673.89 = 123,875.57 : x
  2. Step 2: Convert to fraction form
    225,852.18/311,673.89 = 123,875.57/x
  3. Step 3: Cross multiply
    225,852.18x = 311,673.89 × 123,875.57
  4. Step 4: Simplify right side
    225,852.18x = 38,608,778,600.12
  5. Step 5: Solve for x
    x = 38,608,778,600.12/225,852.18
  6. Step 6: Final answer
    x = 170,947.12

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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.