Home / 212,554.41-293,315.63-121,845.35

Finding the Fourth Proportional to 212,554.41, 293,315.63 and 121,845.35

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Solution

The fourth proportional to 212,554.41, 293,315.63 and 121,845.35 is: 168,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,554.41 : 293,315.63 = 121,845.35 : x
  2. Step 2: Convert to fraction form
    212,554.41/293,315.63 = 121,845.35/x
  3. Step 3: Cross multiply
    212,554.41x = 293,315.63 × 121,845.35
  4. Step 4: Simplify right side
    212,554.41x = 35,739,143,522.02
  5. Step 5: Solve for x
    x = 35,739,143,522.02/212,554.41
  6. Step 6: Final answer
    x = 168,141.15

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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.