Home / 150,339.08-207,459.05-82,342.50

Finding the Fourth Proportional to 150,339.08, 207,459.05 and 82,342.50

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Solution

The fourth proportional to 150,339.08, 207,459.05 and 82,342.50 is: 113,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,339.08 : 207,459.05 = 82,342.50 : x
  2. Step 2: Convert to fraction form
    150,339.08/207,459.05 = 82,342.50/x
  3. Step 3: Cross multiply
    150,339.08x = 207,459.05 × 82,342.50
  4. Step 4: Simplify right side
    150,339.08x = 17,082,696,412.91
  5. Step 5: Solve for x
    x = 17,082,696,412.91/150,339.08
  6. Step 6: Final answer
    x = 113,627.79

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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.