Home / 120,814.04-181,227.30-30,857.59

Finding the Fourth Proportional to 120,814.04, 181,227.30 and 30,857.59

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Solution

The fourth proportional to 120,814.04, 181,227.30 and 30,857.59 is: 46,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,814.04 : 181,227.30 = 30,857.59 : x
  2. Step 2: Convert to fraction form
    120,814.04/181,227.30 = 30,857.59/x
  3. Step 3: Cross multiply
    120,814.04x = 181,227.30 × 30,857.59
  4. Step 4: Simplify right side
    120,814.04x = 5,592,237,720.21
  5. Step 5: Solve for x
    x = 5,592,237,720.21/120,814.04
  6. Step 6: Final answer
    x = 46,287.98

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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.