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Finding the Fourth Proportional to 137,689.36, 206,555.66 and 58,804

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Solution

The fourth proportional to 137,689.36, 206,555.66 and 58,804 is: 88,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,689.36 : 206,555.66 = 58,804 : x
  2. Step 2: Convert to fraction form
    137,689.36/206,555.66 = 58,804/x
  3. Step 3: Cross multiply
    137,689.36x = 206,555.66 × 58,804
  4. Step 4: Simplify right side
    137,689.36x = 12,146,299,030.64
  5. Step 5: Solve for x
    x = 12,146,299,030.64/137,689.36
  6. Step 6: Final answer
    x = 88,215.23

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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.