Home / 76,014.60-114,080.28-72,112.14

Finding the Fourth Proportional to 76,014.60, 114,080.28 and 72,112.14

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Solution

The fourth proportional to 76,014.60, 114,080.28 and 72,112.14 is: 108,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,014.60 : 114,080.28 = 72,112.14 : x
  2. Step 2: Convert to fraction form
    76,014.60/114,080.28 = 72,112.14/x
  3. Step 3: Cross multiply
    76,014.60x = 114,080.28 × 72,112.14
  4. Step 4: Simplify right side
    76,014.60x = 8,226,573,122.60
  5. Step 5: Solve for x
    x = 8,226,573,122.60/76,014.60
  6. Step 6: Final answer
    x = 108,223.59

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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.