Home / 136,092.04-187,809.78-75,665.08

Finding the Fourth Proportional to 136,092.04, 187,809.78 and 75,665.08

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Solution

The fourth proportional to 136,092.04, 187,809.78 and 75,665.08 is: 104,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,092.04 : 187,809.78 = 75,665.08 : x
  2. Step 2: Convert to fraction form
    136,092.04/187,809.78 = 75,665.08/x
  3. Step 3: Cross multiply
    136,092.04x = 187,809.78 × 75,665.08
  4. Step 4: Simplify right side
    136,092.04x = 14,210,642,028.48
  5. Step 5: Solve for x
    x = 14,210,642,028.48/136,092.04
  6. Step 6: Final answer
    x = 104,419.35

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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.