Home / 79,437.77-119,156.55-20,273.44

Finding the Fourth Proportional to 79,437.77, 119,156.55 and 20,273.44

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Solution

The fourth proportional to 79,437.77, 119,156.55 and 20,273.44 is: 30,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.77 : 119,156.55 = 20,273.44 : x
  2. Step 2: Convert to fraction form
    79,437.77/119,156.55 = 20,273.44/x
  3. Step 3: Cross multiply
    79,437.77x = 119,156.55 × 20,273.44
  4. Step 4: Simplify right side
    79,437.77x = 2,415,713,515.61
  5. Step 5: Solve for x
    x = 2,415,713,515.61/79,437.77
  6. Step 6: Final answer
    x = 30,410.14

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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.