Home / 102,927.13-154,434.85-39,791.59

Finding the Fourth Proportional to 102,927.13, 154,434.85 and 39,791.59

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Solution

The fourth proportional to 102,927.13, 154,434.85 and 39,791.59 is: 59,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,927.13 : 154,434.85 = 39,791.59 : x
  2. Step 2: Convert to fraction form
    102,927.13/154,434.85 = 39,791.59/x
  3. Step 3: Cross multiply
    102,927.13x = 154,434.85 × 39,791.59
  4. Step 4: Simplify right side
    102,927.13x = 6,145,207,261.78
  5. Step 5: Solve for x
    x = 6,145,207,261.78/102,927.13
  6. Step 6: Final answer
    x = 59,704.45

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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.