Home / 212,765.79-293,618.84-117,276.15

Finding the Fourth Proportional to 212,765.79, 293,618.84 and 117,276.15

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Solution

The fourth proportional to 212,765.79, 293,618.84 and 117,276.15 is: 161,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,765.79 : 293,618.84 = 117,276.15 : x
  2. Step 2: Convert to fraction form
    212,765.79/293,618.84 = 117,276.15/x
  3. Step 3: Cross multiply
    212,765.79x = 293,618.84 × 117,276.15
  4. Step 4: Simplify right side
    212,765.79x = 34,434,486,536.29
  5. Step 5: Solve for x
    x = 34,434,486,536.29/212,765.79
  6. Step 6: Final answer
    x = 161,842.21

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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.