Home / 239,045.34-358,345.26-81,165.81

Finding the Fourth Proportional to 239,045.34, 358,345.26 and 81,165.81

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Solution

The fourth proportional to 239,045.34, 358,345.26 and 81,165.81 is: 121,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,045.34 : 358,345.26 = 81,165.81 : x
  2. Step 2: Convert to fraction form
    239,045.34/358,345.26 = 81,165.81/x
  3. Step 3: Cross multiply
    239,045.34x = 358,345.26 × 81,165.81
  4. Step 4: Simplify right side
    239,045.34x = 29,085,383,287.56
  5. Step 5: Solve for x
    x = 29,085,383,287.56/239,045.34
  6. Step 6: Final answer
    x = 121,673.08

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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.