Home / 147,327.12-203,334.60-86,904.54

Finding the Fourth Proportional to 147,327.12, 203,334.60 and 86,904.54

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Solution

The fourth proportional to 147,327.12, 203,334.60 and 86,904.54 is: 119,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,327.12 : 203,334.60 = 86,904.54 : x
  2. Step 2: Convert to fraction form
    147,327.12/203,334.60 = 86,904.54/x
  3. Step 3: Cross multiply
    147,327.12x = 203,334.60 × 86,904.54
  4. Step 4: Simplify right side
    147,327.12x = 17,670,699,879.08
  5. Step 5: Solve for x
    x = 17,670,699,879.08/147,327.12
  6. Step 6: Final answer
    x = 119,941.94

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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.