Home / 119,154.64-164,435.24-65,441.84

Finding the Fourth Proportional to 119,154.64, 164,435.24 and 65,441.84

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Solution

The fourth proportional to 119,154.64, 164,435.24 and 65,441.84 is: 90,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,154.64 : 164,435.24 = 65,441.84 : x
  2. Step 2: Convert to fraction form
    119,154.64/164,435.24 = 65,441.84/x
  3. Step 3: Cross multiply
    119,154.64x = 164,435.24 × 65,441.84
  4. Step 4: Simplify right side
    119,154.64x = 10,760,944,666.44
  5. Step 5: Solve for x
    x = 10,760,944,666.44/119,154.64
  6. Step 6: Final answer
    x = 90,310.75

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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.