Home / 109,319.07-150,856.38-61,576.86

Finding the Fourth Proportional to 109,319.07, 150,856.38 and 61,576.86

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Solution

The fourth proportional to 109,319.07, 150,856.38 and 61,576.86 is: 84,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,319.07 : 150,856.38 = 61,576.86 : x
  2. Step 2: Convert to fraction form
    109,319.07/150,856.38 = 61,576.86/x
  3. Step 3: Cross multiply
    109,319.07x = 150,856.38 × 61,576.86
  4. Step 4: Simplify right side
    109,319.07x = 9,289,262,191.37
  5. Step 5: Solve for x
    x = 9,289,262,191.37/109,319.07
  6. Step 6: Final answer
    x = 84,973.85

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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.