Home / 76,189.88-114,292.33-26,263.40

Finding the Fourth Proportional to 76,189.88, 114,292.33 and 26,263.40

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Solution

The fourth proportional to 76,189.88, 114,292.33 and 26,263.40 is: 39,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,189.88 : 114,292.33 = 26,263.40 : x
  2. Step 2: Convert to fraction form
    76,189.88/114,292.33 = 26,263.40/x
  3. Step 3: Cross multiply
    76,189.88x = 114,292.33 × 26,263.40
  4. Step 4: Simplify right side
    76,189.88x = 3,001,705,283.98
  5. Step 5: Solve for x
    x = 3,001,705,283.98/76,189.88
  6. Step 6: Final answer
    x = 39,397.69

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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.