Home / 242,721.01-334,956.54-135,297.82

Finding the Fourth Proportional to 242,721.01, 334,956.54 and 135,297.82

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Solution

The fourth proportional to 242,721.01, 334,956.54 and 135,297.82 is: 186,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,721.01 : 334,956.54 = 135,297.82 : x
  2. Step 2: Convert to fraction form
    242,721.01/334,956.54 = 135,297.82/x
  3. Step 3: Cross multiply
    242,721.01x = 334,956.54 × 135,297.82
  4. Step 4: Simplify right side
    242,721.01x = 45,318,889,656.74
  5. Step 5: Solve for x
    x = 45,318,889,656.74/242,721.01
  6. Step 6: Final answer
    x = 186,711.85

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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.