Home / 146,602.88-202,312-82,939.36

Finding the Fourth Proportional to 146,602.88, 202,312 and 82,939.36

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Solution

The fourth proportional to 146,602.88, 202,312 and 82,939.36 is: 114,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,602.88 : 202,312 = 82,939.36 : x
  2. Step 2: Convert to fraction form
    146,602.88/202,312 = 82,939.36/x
  3. Step 3: Cross multiply
    146,602.88x = 202,312 × 82,939.36
  4. Step 4: Simplify right side
    146,602.88x = 16,779,627,800.32
  5. Step 5: Solve for x
    x = 16,779,627,800.32/146,602.88
  6. Step 6: Final answer
    x = 114,456.33

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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.