Home / 122,621.96-183,833.68-38,338.76

Finding the Fourth Proportional to 122,621.96, 183,833.68 and 38,338.76

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Solution

The fourth proportional to 122,621.96, 183,833.68 and 38,338.76 is: 57,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,621.96 : 183,833.68 = 38,338.76 : x
  2. Step 2: Convert to fraction form
    122,621.96/183,833.68 = 38,338.76/x
  3. Step 3: Cross multiply
    122,621.96x = 183,833.68 × 38,338.76
  4. Step 4: Simplify right side
    122,621.96x = 7,047,955,337.44
  5. Step 5: Solve for x
    x = 7,047,955,337.44/122,621.96
  6. Step 6: Final answer
    x = 57,477.11

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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.