Home / 136,008.62-187,688.91-75,577.25

Finding the Fourth Proportional to 136,008.62, 187,688.91 and 75,577.25

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Solution

The fourth proportional to 136,008.62, 187,688.91 and 75,577.25 is: 104,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,008.62 : 187,688.91 = 75,577.25 : x
  2. Step 2: Convert to fraction form
    136,008.62/187,688.91 = 75,577.25/x
  3. Step 3: Cross multiply
    136,008.62x = 187,688.91 × 75,577.25
  4. Step 4: Simplify right side
    136,008.62x = 14,185,012,107.09
  5. Step 5: Solve for x
    x = 14,185,012,107.09/136,008.62
  6. Step 6: Final answer
    x = 104,294.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.