Home / 212,402.82-293,113.57-116,907.47

Finding the Fourth Proportional to 212,402.82, 293,113.57 and 116,907.47

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Solution

The fourth proportional to 212,402.82, 293,113.57 and 116,907.47 is: 161,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,402.82 : 293,113.57 = 116,907.47 : x
  2. Step 2: Convert to fraction form
    212,402.82/293,113.57 = 116,907.47/x
  3. Step 3: Cross multiply
    212,402.82x = 293,113.57 × 116,907.47
  4. Step 4: Simplify right side
    212,402.82x = 34,267,165,891.37
  5. Step 5: Solve for x
    x = 34,267,165,891.37/212,402.82
  6. Step 6: Final answer
    x = 161,331.03

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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.