Home / 134,281.08-185,262.50-76,131.60

Finding the Fourth Proportional to 134,281.08, 185,262.50 and 76,131.60

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Solution

The fourth proportional to 134,281.08, 185,262.50 and 76,131.60 is: 105,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,281.08 : 185,262.50 = 76,131.60 : x
  2. Step 2: Convert to fraction form
    134,281.08/185,262.50 = 76,131.60/x
  3. Step 3: Cross multiply
    134,281.08x = 185,262.50 × 76,131.60
  4. Step 4: Simplify right side
    134,281.08x = 14,104,330,735.33
  5. Step 5: Solve for x
    x = 14,104,330,735.33/134,281.08
  6. Step 6: Final answer
    x = 105,035.88

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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.