Home / 120,476.64-166,125.96-89,858.64

Finding the Fourth Proportional to 120,476.64, 166,125.96 and 89,858.64

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Solution

The fourth proportional to 120,476.64, 166,125.96 and 89,858.64 is: 123,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,476.64 : 166,125.96 = 89,858.64 : x
  2. Step 2: Convert to fraction form
    120,476.64/166,125.96 = 89,858.64/x
  3. Step 3: Cross multiply
    120,476.64x = 166,125.96 × 89,858.64
  4. Step 4: Simplify right side
    120,476.64x = 14,927,852,834.29
  5. Step 5: Solve for x
    x = 14,927,852,834.29/120,476.64
  6. Step 6: Final answer
    x = 123,906.62

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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.