Home / 212,521.22-293,270.61-121,814.03

Finding the Fourth Proportional to 212,521.22, 293,270.61 and 121,814.03

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Solution

The fourth proportional to 212,521.22, 293,270.61 and 121,814.03 is: 168,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,521.22 : 293,270.61 = 121,814.03 : x
  2. Step 2: Convert to fraction form
    212,521.22/293,270.61 = 121,814.03/x
  3. Step 3: Cross multiply
    212,521.22x = 293,270.61 × 121,814.03
  4. Step 4: Simplify right side
    212,521.22x = 35,724,473,418.31
  5. Step 5: Solve for x
    x = 35,724,473,418.31/212,521.22
  6. Step 6: Final answer
    x = 168,098.39

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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.