Home / 77,634.07-116,368.07-40,156.43

Finding the Fourth Proportional to 77,634.07, 116,368.07 and 40,156.43

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Solution

The fourth proportional to 77,634.07, 116,368.07 and 40,156.43 is: 60,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,634.07 : 116,368.07 = 40,156.43 : x
  2. Step 2: Convert to fraction form
    77,634.07/116,368.07 = 40,156.43/x
  3. Step 3: Cross multiply
    77,634.07x = 116,368.07 × 40,156.43
  4. Step 4: Simplify right side
    77,634.07x = 4,672,925,474.57
  5. Step 5: Solve for x
    x = 4,672,925,474.57/77,634.07
  6. Step 6: Final answer
    x = 60,191.69

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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.