Home / 95,528.68-143,274.36-90,787.06

Finding the Fourth Proportional to 95,528.68, 143,274.36 and 90,787.06

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Solution

The fourth proportional to 95,528.68, 143,274.36 and 90,787.06 is: 136,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,528.68 : 143,274.36 = 90,787.06 : x
  2. Step 2: Convert to fraction form
    95,528.68/143,274.36 = 90,787.06/x
  3. Step 3: Cross multiply
    95,528.68x = 143,274.36 × 90,787.06
  4. Step 4: Simplify right side
    95,528.68x = 13,007,457,917.78
  5. Step 5: Solve for x
    x = 13,007,457,917.78/95,528.68
  6. Step 6: Final answer
    x = 136,162.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.