Home / 79,437.42-119,156.06-20,273.10

Finding the Fourth Proportional to 79,437.42, 119,156.06 and 20,273.10

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Solution

The fourth proportional to 79,437.42, 119,156.06 and 20,273.10 is: 30,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.42 : 119,156.06 = 20,273.10 : x
  2. Step 2: Convert to fraction form
    79,437.42/119,156.06 = 20,273.10/x
  3. Step 3: Cross multiply
    79,437.42x = 119,156.06 × 20,273.10
  4. Step 4: Simplify right side
    79,437.42x = 2,415,662,618.62
  5. Step 5: Solve for x
    x = 2,415,662,618.62/79,437.42
  6. Step 6: Final answer
    x = 30,409.63

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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.