Home / 76,277.25-114,422.40-20,116.89

Finding the Fourth Proportional to 76,277.25, 114,422.40 and 20,116.89

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Solution

The fourth proportional to 76,277.25, 114,422.40 and 20,116.89 is: 30,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,277.25 : 114,422.40 = 20,116.89 : x
  2. Step 2: Convert to fraction form
    76,277.25/114,422.40 = 20,116.89/x
  3. Step 3: Cross multiply
    76,277.25x = 114,422.40 × 20,116.89
  4. Step 4: Simplify right side
    76,277.25x = 2,301,822,834.34
  5. Step 5: Solve for x
    x = 2,301,822,834.34/76,277.25
  6. Step 6: Final answer
    x = 30,177.06

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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.