Home / 224,721.73-310,090.03-129,259.18

Finding the Fourth Proportional to 224,721.73, 310,090.03 and 129,259.18

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Solution

The fourth proportional to 224,721.73, 310,090.03 and 129,259.18 is: 178,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,721.73 : 310,090.03 = 129,259.18 : x
  2. Step 2: Convert to fraction form
    224,721.73/310,090.03 = 129,259.18/x
  3. Step 3: Cross multiply
    224,721.73x = 310,090.03 × 129,259.18
  4. Step 4: Simplify right side
    224,721.73x = 40,081,983,003.98
  5. Step 5: Solve for x
    x = 40,081,983,003.98/224,721.73
  6. Step 6: Final answer
    x = 178,362.74

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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.