Home / 212,389.84-293,050.92-122,914

Finding the Fourth Proportional to 212,389.84, 293,050.92 and 122,914

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Solution

The fourth proportional to 212,389.84, 293,050.92 and 122,914 is: 169,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,389.84 : 293,050.92 = 122,914 : x
  2. Step 2: Convert to fraction form
    212,389.84/293,050.92 = 122,914/x
  3. Step 3: Cross multiply
    212,389.84x = 293,050.92 × 122,914
  4. Step 4: Simplify right side
    212,389.84x = 36,020,060,780.88
  5. Step 5: Solve for x
    x = 36,020,060,780.88/212,389.84
  6. Step 6: Final answer
    x = 169,594.09

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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.