Home / 135,317.10-186,732.99-74,890.29

Finding the Fourth Proportional to 135,317.10, 186,732.99 and 74,890.29

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Solution

The fourth proportional to 135,317.10, 186,732.99 and 74,890.29 is: 103,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,317.10 : 186,732.99 = 74,890.29 : x
  2. Step 2: Convert to fraction form
    135,317.10/186,732.99 = 74,890.29/x
  3. Step 3: Cross multiply
    135,317.10x = 186,732.99 × 74,890.29
  4. Step 4: Simplify right side
    135,317.10x = 13,984,487,773.67
  5. Step 5: Solve for x
    x = 13,984,487,773.67/135,317.10
  6. Step 6: Final answer
    x = 103,346.05

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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.