Home / 212,642.43-293,459.79-117,149.10

Finding the Fourth Proportional to 212,642.43, 293,459.79 and 117,149.10

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Solution

The fourth proportional to 212,642.43, 293,459.79 and 117,149.10 is: 161,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,642.43 : 293,459.79 = 117,149.10 : x
  2. Step 2: Convert to fraction form
    212,642.43/293,459.79 = 117,149.10/x
  3. Step 3: Cross multiply
    212,642.43x = 293,459.79 × 117,149.10
  4. Step 4: Simplify right side
    212,642.43x = 34,378,550,284.69
  5. Step 5: Solve for x
    x = 34,378,550,284.69/212,642.43
  6. Step 6: Final answer
    x = 161,673.05

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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.