Home / 119,522.12-165,052.50-74,887.88

Finding the Fourth Proportional to 119,522.12, 165,052.50 and 74,887.88

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Solution

The fourth proportional to 119,522.12, 165,052.50 and 74,887.88 is: 103,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,522.12 : 165,052.50 = 74,887.88 : x
  2. Step 2: Convert to fraction form
    119,522.12/165,052.50 = 74,887.88/x
  3. Step 3: Cross multiply
    119,522.12x = 165,052.50 × 74,887.88
  4. Step 4: Simplify right side
    119,522.12x = 12,360,431,813.70
  5. Step 5: Solve for x
    x = 12,360,431,813.70/119,522.12
  6. Step 6: Final answer
    x = 103,415.43

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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.