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Finding the Fourth Proportional to 79,437.80, 119,156.59 and 20,273.46

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Solution

The fourth proportional to 79,437.80, 119,156.59 and 20,273.46 is: 30,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.80 : 119,156.59 = 20,273.46 : x
  2. Step 2: Convert to fraction form
    79,437.80/119,156.59 = 20,273.46/x
  3. Step 3: Cross multiply
    79,437.80x = 119,156.59 × 20,273.46
  4. Step 4: Simplify right side
    79,437.80x = 2,415,716,830.95
  5. Step 5: Solve for x
    x = 2,415,716,830.95/79,437.80
  6. Step 6: Final answer
    x = 30,410.17

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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.