Home / 76,140.60-114,208.52-36,188.34

Finding the Fourth Proportional to 76,140.60, 114,208.52 and 36,188.34

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Solution

The fourth proportional to 76,140.60, 114,208.52 and 36,188.34 is: 54,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,140.60 : 114,208.52 = 36,188.34 : x
  2. Step 2: Convert to fraction form
    76,140.60/114,208.52 = 36,188.34/x
  3. Step 3: Cross multiply
    76,140.60x = 114,208.52 × 36,188.34
  4. Step 4: Simplify right side
    76,140.60x = 4,133,016,571.72
  5. Step 5: Solve for x
    x = 4,133,016,571.72/76,140.60
  6. Step 6: Final answer
    x = 54,281.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.