Home / 242,519.45-334,687.19-135,089.46

Finding the Fourth Proportional to 242,519.45, 334,687.19 and 135,089.46

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Solution

The fourth proportional to 242,519.45, 334,687.19 and 135,089.46 is: 186,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,519.45 : 334,687.19 = 135,089.46 : x
  2. Step 2: Convert to fraction form
    242,519.45/334,687.19 = 135,089.46/x
  3. Step 3: Cross multiply
    242,519.45x = 334,687.19 × 135,089.46
  4. Step 4: Simplify right side
    242,519.45x = 45,212,711,090.57
  5. Step 5: Solve for x
    x = 45,212,711,090.57/242,519.45
  6. Step 6: Final answer
    x = 186,429.22

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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.