Home / 212,353.83-293,060.39-121,724.87

Finding the Fourth Proportional to 212,353.83, 293,060.39 and 121,724.87

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Solution

The fourth proportional to 212,353.83, 293,060.39 and 121,724.87 is: 167,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,353.83 : 293,060.39 = 121,724.87 : x
  2. Step 2: Convert to fraction form
    212,353.83/293,060.39 = 121,724.87/x
  3. Step 3: Cross multiply
    212,353.83x = 293,060.39 × 121,724.87
  4. Step 4: Simplify right side
    212,353.83x = 35,672,735,800.97
  5. Step 5: Solve for x
    x = 35,672,735,800.97/212,353.83
  6. Step 6: Final answer
    x = 167,987.25

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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.