Home / 135,015.04-186,331.65-74,590.96

Finding the Fourth Proportional to 135,015.04, 186,331.65 and 74,590.96

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Solution

The fourth proportional to 135,015.04, 186,331.65 and 74,590.96 is: 102,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,015.04 : 186,331.65 = 74,590.96 : x
  2. Step 2: Convert to fraction form
    135,015.04/186,331.65 = 74,590.96/x
  3. Step 3: Cross multiply
    135,015.04x = 186,331.65 × 74,590.96
  4. Step 4: Simplify right side
    135,015.04x = 13,898,656,651.88
  5. Step 5: Solve for x
    x = 13,898,656,651.88/135,015.04
  6. Step 6: Final answer
    x = 102,941.54

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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.