Home / 212,435.93-293,165.31-115,642.56

Finding the Fourth Proportional to 212,435.93, 293,165.31 and 115,642.56

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Solution

The fourth proportional to 212,435.93, 293,165.31 and 115,642.56 is: 159,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,435.93 : 293,165.31 = 115,642.56 : x
  2. Step 2: Convert to fraction form
    212,435.93/293,165.31 = 115,642.56/x
  3. Step 3: Cross multiply
    212,435.93x = 293,165.31 × 115,642.56
  4. Step 4: Simplify right side
    212,435.93x = 33,902,386,951.59
  5. Step 5: Solve for x
    x = 33,902,386,951.59/212,435.93
  6. Step 6: Final answer
    x = 159,588.76

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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.