Home / 102,617.11-153,930.85-39,415.07

Finding the Fourth Proportional to 102,617.11, 153,930.85 and 39,415.07

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Solution

The fourth proportional to 102,617.11, 153,930.85 and 39,415.07 is: 59,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,617.11 : 153,930.85 = 39,415.07 : x
  2. Step 2: Convert to fraction form
    102,617.11/153,930.85 = 39,415.07/x
  3. Step 3: Cross multiply
    102,617.11x = 153,930.85 × 39,415.07
  4. Step 4: Simplify right side
    102,617.11x = 6,067,195,225.58
  5. Step 5: Solve for x
    x = 6,067,195,225.58/102,617.11
  6. Step 6: Final answer
    x = 59,124.60

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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.