Home / 147,836.36-203,983.98-84,157.40

Finding the Fourth Proportional to 147,836.36, 203,983.98 and 84,157.40

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Solution

The fourth proportional to 147,836.36, 203,983.98 and 84,157.40 is: 116,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,836.36 : 203,983.98 = 84,157.40 : x
  2. Step 2: Convert to fraction form
    147,836.36/203,983.98 = 84,157.40/x
  3. Step 3: Cross multiply
    147,836.36x = 203,983.98 × 84,157.40
  4. Step 4: Simplify right side
    147,836.36x = 17,166,761,398.45
  5. Step 5: Solve for x
    x = 17,166,761,398.45/147,836.36
  6. Step 6: Final answer
    x = 116,120.02

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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.