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Finding the Fourth Proportional to 159,503.93, 220,120.41 and 91,533.34

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Solution

The fourth proportional to 159,503.93, 220,120.41 and 91,533.34 is: 126,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503.93 : 220,120.41 = 91,533.34 : x
  2. Step 2: Convert to fraction form
    159,503.93/220,120.41 = 91,533.34/x
  3. Step 3: Cross multiply
    159,503.93x = 220,120.41 × 91,533.34
  4. Step 4: Simplify right side
    159,503.93x = 20,148,356,883.51
  5. Step 5: Solve for x
    x = 20,148,356,883.51/159,503.93
  6. Step 6: Final answer
    x = 126,318.87

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1.5x scale

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.