Home / 138,893.41-208,307.76-39,063.24

Finding the Fourth Proportional to 138,893.41, 208,307.76 and 39,063.24

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Solution

The fourth proportional to 138,893.41, 208,307.76 and 39,063.24 is: 58,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,893.41 : 208,307.76 = 39,063.24 : x
  2. Step 2: Convert to fraction form
    138,893.41/208,307.76 = 39,063.24/x
  3. Step 3: Cross multiply
    138,893.41x = 208,307.76 × 39,063.24
  4. Step 4: Simplify right side
    138,893.41x = 8,137,176,022.74
  5. Step 5: Solve for x
    x = 8,137,176,022.74/138,893.41
  6. Step 6: Final answer
    x = 58,585.76

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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.