Home / 122,224.28-183,617.12-86,283.37

Finding the Fourth Proportional to 122,224.28, 183,617.12 and 86,283.37

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Solution

The fourth proportional to 122,224.28, 183,617.12 and 86,283.37 is: 129,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,224.28 : 183,617.12 = 86,283.37 : x
  2. Step 2: Convert to fraction form
    122,224.28/183,617.12 = 86,283.37/x
  3. Step 3: Cross multiply
    122,224.28x = 183,617.12 × 86,283.37
  4. Step 4: Simplify right side
    122,224.28x = 15,843,103,903.29
  5. Step 5: Solve for x
    x = 15,843,103,903.29/122,224.28
  6. Step 6: Final answer
    x = 129,623.21

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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.