Home / 77,523.40-116,285.10-76,486.60

Finding the Fourth Proportional to 77,523.40, 116,285.10 and 76,486.60

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Solution

The fourth proportional to 77,523.40, 116,285.10 and 76,486.60 is: 114,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,523.40 : 116,285.10 = 76,486.60 : x
  2. Step 2: Convert to fraction form
    77,523.40/116,285.10 = 76,486.60/x
  3. Step 3: Cross multiply
    77,523.40x = 116,285.10 × 76,486.60
  4. Step 4: Simplify right side
    77,523.40x = 8,894,251,929.66
  5. Step 5: Solve for x
    x = 8,894,251,929.66/77,523.40
  6. Step 6: Final answer
    x = 114,729.90

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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.