Home / 212,465.72-293,206.45-115,672.39

Finding the Fourth Proportional to 212,465.72, 293,206.45 and 115,672.39

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Solution

The fourth proportional to 212,465.72, 293,206.45 and 115,672.39 is: 159,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,465.72 : 293,206.45 = 115,672.39 : x
  2. Step 2: Convert to fraction form
    212,465.72/293,206.45 = 115,672.39/x
  3. Step 3: Cross multiply
    212,465.72x = 293,206.45 × 115,672.39
  4. Step 4: Simplify right side
    212,465.72x = 33,915,890,834.92
  5. Step 5: Solve for x
    x = 33,915,890,834.92/212,465.72
  6. Step 6: Final answer
    x = 159,629.94

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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.