Home / 136,222.42-187,987.87-75,795.61

Finding the Fourth Proportional to 136,222.42, 187,987.87 and 75,795.61

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Solution

The fourth proportional to 136,222.42, 187,987.87 and 75,795.61 is: 104,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,222.42 : 187,987.87 = 75,795.61 : x
  2. Step 2: Convert to fraction form
    136,222.42/187,987.87 = 75,795.61/x
  3. Step 3: Cross multiply
    136,222.42x = 187,987.87 × 75,795.61
  4. Step 4: Simplify right side
    136,222.42x = 14,248,654,998.77
  5. Step 5: Solve for x
    x = 14,248,654,998.77/136,222.42
  6. Step 6: Final answer
    x = 104,598.46

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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.