Home / 212,730.71-293,516.82-120,829.55

Finding the Fourth Proportional to 212,730.71, 293,516.82 and 120,829.55

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Solution

The fourth proportional to 212,730.71, 293,516.82 and 120,829.55 is: 166,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,730.71 : 293,516.82 = 120,829.55 : x
  2. Step 2: Convert to fraction form
    212,730.71/293,516.82 = 120,829.55/x
  3. Step 3: Cross multiply
    212,730.71x = 293,516.82 × 120,829.55
  4. Step 4: Simplify right side
    212,730.71x = 35,465,503,206.30
  5. Step 5: Solve for x
    x = 35,465,503,206.30/212,730.71
  6. Step 6: Final answer
    x = 166,715.49

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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.