Home / 225,545.30-311,285.67-130,033.34

Finding the Fourth Proportional to 225,545.30, 311,285.67 and 130,033.34

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Solution

The fourth proportional to 225,545.30, 311,285.67 and 130,033.34 is: 179,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,545.30 : 311,285.67 = 130,033.34 : x
  2. Step 2: Convert to fraction form
    225,545.30/311,285.67 = 130,033.34/x
  3. Step 3: Cross multiply
    225,545.30x = 311,285.67 × 130,033.34
  4. Step 4: Simplify right side
    225,545.30x = 40,477,515,364.24
  5. Step 5: Solve for x
    x = 40,477,515,364.24/225,545.30
  6. Step 6: Final answer
    x = 179,465.12

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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.