Home / 236,721.78-354,871.62-86,927.76

Finding the Fourth Proportional to 236,721.78, 354,871.62 and 86,927.76

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Solution

The fourth proportional to 236,721.78, 354,871.62 and 86,927.76 is: 130,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,721.78 : 354,871.62 = 86,927.76 : x
  2. Step 2: Convert to fraction form
    236,721.78/354,871.62 = 86,927.76/x
  3. Step 3: Cross multiply
    236,721.78x = 354,871.62 × 86,927.76
  4. Step 4: Simplify right side
    236,721.78x = 30,848,195,014.17
  5. Step 5: Solve for x
    x = 30,848,195,014.17/236,721.78
  6. Step 6: Final answer
    x = 130,314.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.