Home / 77,454.51-116,180.33-21,294.38

Finding the Fourth Proportional to 77,454.51, 116,180.33 and 21,294.38

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Solution

The fourth proportional to 77,454.51, 116,180.33 and 21,294.38 is: 31,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,454.51 : 116,180.33 = 21,294.38 : x
  2. Step 2: Convert to fraction form
    77,454.51/116,180.33 = 21,294.38/x
  3. Step 3: Cross multiply
    77,454.51x = 116,180.33 × 21,294.38
  4. Step 4: Simplify right side
    77,454.51x = 2,473,987,408.17
  5. Step 5: Solve for x
    x = 2,473,987,408.17/77,454.51
  6. Step 6: Final answer
    x = 31,941.17

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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.