Home / 212,685.30-293,503.36-120,803.96

Finding the Fourth Proportional to 212,685.30, 293,503.36 and 120,803.96

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Solution

The fourth proportional to 212,685.30, 293,503.36 and 120,803.96 is: 166,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,685.30 : 293,503.36 = 120,803.96 : x
  2. Step 2: Convert to fraction form
    212,685.30/293,503.36 = 120,803.96/x
  3. Step 3: Cross multiply
    212,685.30x = 293,503.36 × 120,803.96
  4. Step 4: Simplify right side
    212,685.30x = 35,456,368,161.31
  5. Step 5: Solve for x
    x = 35,456,368,161.31/212,685.30
  6. Step 6: Final answer
    x = 166,708.13

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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.