Home / 212,711.82-293,337.63-139,984.62

Finding the Fourth Proportional to 212,711.82, 293,337.63 and 139,984.62

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Solution

The fourth proportional to 212,711.82, 293,337.63 and 139,984.62 is: 193,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,711.82 : 293,337.63 = 139,984.62 : x
  2. Step 2: Convert to fraction form
    212,711.82/293,337.63 = 139,984.62/x
  3. Step 3: Cross multiply
    212,711.82x = 293,337.63 × 139,984.62
  4. Step 4: Simplify right side
    212,711.82x = 41,062,756,667.25
  5. Step 5: Solve for x
    x = 41,062,756,667.25/212,711.82
  6. Step 6: Final answer
    x = 193,044.08

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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.