Home / 225,979.80-311,851.26-124,006.98

Finding the Fourth Proportional to 225,979.80, 311,851.26 and 124,006.98

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Solution

The fourth proportional to 225,979.80, 311,851.26 and 124,006.98 is: 171,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,979.80 : 311,851.26 = 124,006.98 : x
  2. Step 2: Convert to fraction form
    225,979.80/311,851.26 = 124,006.98/x
  3. Step 3: Cross multiply
    225,979.80x = 311,851.26 × 124,006.98
  4. Step 4: Simplify right side
    225,979.80x = 38,671,732,961.79
  5. Step 5: Solve for x
    x = 38,671,732,961.79/225,979.80
  6. Step 6: Final answer
    x = 171,129.16

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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.