Home / 178,578.12-246,459.06-103,125

Finding the Fourth Proportional to 178,578.12, 246,459.06 and 103,125

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Solution

The fourth proportional to 178,578.12, 246,459.06 and 103,125 is: 142,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,578.12 : 246,459.06 = 103,125 : x
  2. Step 2: Convert to fraction form
    178,578.12/246,459.06 = 103,125/x
  3. Step 3: Cross multiply
    178,578.12x = 246,459.06 × 103,125
  4. Step 4: Simplify right side
    178,578.12x = 25,416,090,562.50
  5. Step 5: Solve for x
    x = 25,416,090,562.50/178,578.12
  6. Step 6: Final answer
    x = 142,324.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.