Home / 213,327.56-319,296.96-157,145.55

Finding the Fourth Proportional to 213,327.56, 319,296.96 and 157,145.55

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Solution

The fourth proportional to 213,327.56, 319,296.96 and 157,145.55 is: 235,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,327.56 : 319,296.96 = 157,145.55 : x
  2. Step 2: Convert to fraction form
    213,327.56/319,296.96 = 157,145.55/x
  3. Step 3: Cross multiply
    213,327.56x = 319,296.96 × 157,145.55
  4. Step 4: Simplify right side
    213,327.56x = 50,176,096,392.53
  5. Step 5: Solve for x
    x = 50,176,096,392.53/213,327.56
  6. Step 6: Final answer
    x = 235,206.82

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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.