Home / 136,006.45-187,672.02-75,589.64

Finding the Fourth Proportional to 136,006.45, 187,672.02 and 75,589.64

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Solution

The fourth proportional to 136,006.45, 187,672.02 and 75,589.64 is: 104,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,006.45 : 187,672.02 = 75,589.64 : x
  2. Step 2: Convert to fraction form
    136,006.45/187,672.02 = 75,589.64/x
  3. Step 3: Cross multiply
    136,006.45x = 187,672.02 × 75,589.64
  4. Step 4: Simplify right side
    136,006.45x = 14,186,060,614.67
  5. Step 5: Solve for x
    x = 14,186,060,614.67/136,006.45
  6. Step 6: Final answer
    x = 104,304.32

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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.