Home / 137,671.36-206,528.64-58,786

Finding the Fourth Proportional to 137,671.36, 206,528.64 and 58,786

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Solution

The fourth proportional to 137,671.36, 206,528.64 and 58,786 is: 88,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,671.36 : 206,528.64 = 58,786 : x
  2. Step 2: Convert to fraction form
    137,671.36/206,528.64 = 58,786/x
  3. Step 3: Cross multiply
    137,671.36x = 206,528.64 × 58,786
  4. Step 4: Simplify right side
    137,671.36x = 12,140,992,631.04
  5. Step 5: Solve for x
    x = 12,140,992,631.04/137,671.36
  6. Step 6: Final answer
    x = 88,188.22

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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.