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Finding the Fourth Proportional to 160,947.82, 222,056.64 and 92,955.88

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Solution

The fourth proportional to 160,947.82, 222,056.64 and 92,955.88 is: 128,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,947.82 : 222,056.64 = 92,955.88 : x
  2. Step 2: Convert to fraction form
    160,947.82/222,056.64 = 92,955.88/x
  3. Step 3: Cross multiply
    160,947.82x = 222,056.64 × 92,955.88
  4. Step 4: Simplify right side
    160,947.82x = 20,641,470,381.04
  5. Step 5: Solve for x
    x = 20,641,470,381.04/160,947.82
  6. Step 6: Final answer
    x = 128,249.46

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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.