Home / 136,041.42-187,728.89-75,610.06

Finding the Fourth Proportional to 136,041.42, 187,728.89 and 75,610.06

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Solution

The fourth proportional to 136,041.42, 187,728.89 and 75,610.06 is: 104,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,041.42 : 187,728.89 = 75,610.06 : x
  2. Step 2: Convert to fraction form
    136,041.42/187,728.89 = 75,610.06/x
  3. Step 3: Cross multiply
    136,041.42x = 187,728.89 × 75,610.06
  4. Step 4: Simplify right side
    136,041.42x = 14,194,192,214.57
  5. Step 5: Solve for x
    x = 14,194,192,214.57/136,041.42
  6. Step 6: Final answer
    x = 104,337.28

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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.