Home / 254,243.10-381,094.01-120,841.57

Finding the Fourth Proportional to 254,243.10, 381,094.01 and 120,841.57

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Solution

The fourth proportional to 254,243.10, 381,094.01 and 120,841.57 is: 181,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,243.10 : 381,094.01 = 120,841.57 : x
  2. Step 2: Convert to fraction form
    254,243.10/381,094.01 = 120,841.57/x
  3. Step 3: Cross multiply
    254,243.10x = 381,094.01 × 120,841.57
  4. Step 4: Simplify right side
    254,243.10x = 46,051,999,491.05
  5. Step 5: Solve for x
    x = 46,051,999,491.05/254,243.10
  6. Step 6: Final answer
    x = 181,133.72

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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.