Home / 225,012.16-310,576.36-140,078.80

Finding the Fourth Proportional to 225,012.16, 310,576.36 and 140,078.80

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Solution

The fourth proportional to 225,012.16, 310,576.36 and 140,078.80 is: 193,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,012.16 : 310,576.36 = 140,078.80 : x
  2. Step 2: Convert to fraction form
    225,012.16/310,576.36 = 140,078.80/x
  3. Step 3: Cross multiply
    225,012.16x = 310,576.36 × 140,078.80
  4. Step 4: Simplify right side
    225,012.16x = 43,505,162,264.29
  5. Step 5: Solve for x
    x = 43,505,162,264.29/225,012.16
  6. Step 6: Final answer
    x = 193,345.83

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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.