Home / 212,555.41-293,317-121,846.35

Finding the Fourth Proportional to 212,555.41, 293,317 and 121,846.35

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Solution

The fourth proportional to 212,555.41, 293,317 and 121,846.35 is: 168,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,555.41 : 293,317 = 121,846.35 : x
  2. Step 2: Convert to fraction form
    212,555.41/293,317 = 121,846.35/x
  3. Step 3: Cross multiply
    212,555.41x = 293,317 × 121,846.35
  4. Step 4: Simplify right side
    212,555.41x = 35,739,605,842.95
  5. Step 5: Solve for x
    x = 35,739,605,842.95/212,555.41
  6. Step 6: Final answer
    x = 168,142.54

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1.5x scale

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.