Home / 142,385.24-213,910.07-83,262.53

Finding the Fourth Proportional to 142,385.24, 213,910.07 and 83,262.53

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Solution

The fourth proportional to 142,385.24, 213,910.07 and 83,262.53 is: 125,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,385.24 : 213,910.07 = 83,262.53 : x
  2. Step 2: Convert to fraction form
    142,385.24/213,910.07 = 83,262.53/x
  3. Step 3: Cross multiply
    142,385.24x = 213,910.07 × 83,262.53
  4. Step 4: Simplify right side
    142,385.24x = 17,810,693,739.14
  5. Step 5: Solve for x
    x = 17,810,693,739.14/142,385.24
  6. Step 6: Final answer
    x = 125,088.06

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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.