Home / 103,301.87-142,640.61-84,184.46

Finding the Fourth Proportional to 103,301.87, 142,640.61 and 84,184.46

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Solution

The fourth proportional to 103,301.87, 142,640.61 and 84,184.46 is: 116,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,301.87 : 142,640.61 = 84,184.46 : x
  2. Step 2: Convert to fraction form
    103,301.87/142,640.61 = 84,184.46/x
  3. Step 3: Cross multiply
    103,301.87x = 142,640.61 × 84,184.46
  4. Step 4: Simplify right side
    103,301.87x = 12,008,122,726.92
  5. Step 5: Solve for x
    x = 12,008,122,726.92/103,301.87
  6. Step 6: Final answer
    x = 116,243.03

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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.