Home / 136,191.51-187,922.52-75,762

Finding the Fourth Proportional to 136,191.51, 187,922.52 and 75,762

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Solution

The fourth proportional to 136,191.51, 187,922.52 and 75,762 is: 104,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,191.51 : 187,922.52 = 75,762 : x
  2. Step 2: Convert to fraction form
    136,191.51/187,922.52 = 75,762/x
  3. Step 3: Cross multiply
    136,191.51x = 187,922.52 × 75,762
  4. Step 4: Simplify right side
    136,191.51x = 14,237,385,960.24
  5. Step 5: Solve for x
    x = 14,237,385,960.24/136,191.51
  6. Step 6: Final answer
    x = 104,539.45

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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.