Home / 79,437.90-119,156.74-20,273.57

Finding the Fourth Proportional to 79,437.90, 119,156.74 and 20,273.57

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Solution

The fourth proportional to 79,437.90, 119,156.74 and 20,273.57 is: 30,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.90 : 119,156.74 = 20,273.57 : x
  2. Step 2: Convert to fraction form
    79,437.90/119,156.74 = 20,273.57/x
  3. Step 3: Cross multiply
    79,437.90x = 119,156.74 × 20,273.57
  4. Step 4: Simplify right side
    79,437.90x = 2,415,731,913.58
  5. Step 5: Solve for x
    x = 2,415,731,913.58/79,437.90
  6. Step 6: Final answer
    x = 30,410.32

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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.