Home / 212,934.33-319,346.96-63,139.59

Finding the Fourth Proportional to 212,934.33, 319,346.96 and 63,139.59

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Solution

The fourth proportional to 212,934.33, 319,346.96 and 63,139.59 is: 94,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,934.33 : 319,346.96 = 63,139.59 : x
  2. Step 2: Convert to fraction form
    212,934.33/319,346.96 = 63,139.59/x
  3. Step 3: Cross multiply
    212,934.33x = 319,346.96 × 63,139.59
  4. Step 4: Simplify right side
    212,934.33x = 20,163,435,806.45
  5. Step 5: Solve for x
    x = 20,163,435,806.45/212,934.33
  6. Step 6: Final answer
    x = 94,693.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.