Home / 135,327.08-186,751.73-74,901.89

Finding the Fourth Proportional to 135,327.08, 186,751.73 and 74,901.89

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Solution

The fourth proportional to 135,327.08, 186,751.73 and 74,901.89 is: 103,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,327.08 : 186,751.73 = 74,901.89 : x
  2. Step 2: Convert to fraction form
    135,327.08/186,751.73 = 74,901.89/x
  3. Step 3: Cross multiply
    135,327.08x = 186,751.73 × 74,901.89
  4. Step 4: Simplify right side
    135,327.08x = 13,988,057,537.77
  5. Step 5: Solve for x
    x = 13,988,057,537.77/135,327.08
  6. Step 6: Final answer
    x = 103,364.81

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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.