Home / 142,016.01-213,009.43-75,385.41

Finding the Fourth Proportional to 142,016.01, 213,009.43 and 75,385.41

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Solution

The fourth proportional to 142,016.01, 213,009.43 and 75,385.41 is: 113,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,016.01 : 213,009.43 = 75,385.41 : x
  2. Step 2: Convert to fraction form
    142,016.01/213,009.43 = 75,385.41/x
  3. Step 3: Cross multiply
    142,016.01x = 213,009.43 × 75,385.41
  4. Step 4: Simplify right side
    142,016.01x = 16,057,802,776.12
  5. Step 5: Solve for x
    x = 16,057,802,776.12/142,016.01
  6. Step 6: Final answer
    x = 113,070.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.