Home / 142,027.96-196,069.61-88,330.28

Finding the Fourth Proportional to 142,027.96, 196,069.61 and 88,330.28

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Solution

The fourth proportional to 142,027.96, 196,069.61 and 88,330.28 is: 121,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,027.96 : 196,069.61 = 88,330.28 : x
  2. Step 2: Convert to fraction form
    142,027.96/196,069.61 = 88,330.28/x
  3. Step 3: Cross multiply
    142,027.96x = 196,069.61 × 88,330.28
  4. Step 4: Simplify right side
    142,027.96x = 17,318,883,550.79
  5. Step 5: Solve for x
    x = 17,318,883,550.79/142,027.96
  6. Step 6: Final answer
    x = 121,939.96

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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.