Home / 212,435.11-293,163.47-115,641.93

Finding the Fourth Proportional to 212,435.11, 293,163.47 and 115,641.93

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Solution

The fourth proportional to 212,435.11, 293,163.47 and 115,641.93 is: 159,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,435.11 : 293,163.47 = 115,641.93 : x
  2. Step 2: Convert to fraction form
    212,435.11/293,163.47 = 115,641.93/x
  3. Step 3: Cross multiply
    212,435.11x = 293,163.47 × 115,641.93
  4. Step 4: Simplify right side
    212,435.11x = 33,901,989,476.30
  5. Step 5: Solve for x
    x = 33,901,989,476.30/212,435.11
  6. Step 6: Final answer
    x = 159,587.51

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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.