Home / 212,725.59-319,182.61-111,499.58

Finding the Fourth Proportional to 212,725.59, 319,182.61 and 111,499.58

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Solution

The fourth proportional to 212,725.59, 319,182.61 and 111,499.58 is: 167,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,725.59 : 319,182.61 = 111,499.58 : x
  2. Step 2: Convert to fraction form
    212,725.59/319,182.61 = 111,499.58/x
  3. Step 3: Cross multiply
    212,725.59x = 319,182.61 × 111,499.58
  4. Step 4: Simplify right side
    212,725.59x = 35,588,726,400.81
  5. Step 5: Solve for x
    x = 35,588,726,400.81/212,725.59
  6. Step 6: Final answer
    x = 167,298.76

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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.