Home / 148,615.39-205,089.24-84,954.61

Finding the Fourth Proportional to 148,615.39, 205,089.24 and 84,954.61

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Solution

The fourth proportional to 148,615.39, 205,089.24 and 84,954.61 is: 117,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,615.39 : 205,089.24 = 84,954.61 : x
  2. Step 2: Convert to fraction form
    148,615.39/205,089.24 = 84,954.61/x
  3. Step 3: Cross multiply
    148,615.39x = 205,089.24 × 84,954.61
  4. Step 4: Simplify right side
    148,615.39x = 17,423,276,399.40
  5. Step 5: Solve for x
    x = 17,423,276,399.40/148,615.39
  6. Step 6: Final answer
    x = 117,237.36

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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.